Knowledge (XXG)

Iron sights

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consciously or subconsciously generate small eye movements to measure the distance around the target. USA Shooting recommends a front aperture that creates at least 3 Minutes of Angle (MOA) of boundary space. In research performed by Precision Shooting, it was found that this increased shooter confidence, reduced hold times, and created more decisive shots. There may be an upper bound to the front aperture size that improves performance, however. In 2013, researchers performed experiments with the game of golf, specifically the skill of putting which is another skill that combines visual alignment with motor skills. They found that by manipulating the perceived size of the target (the golf hole) by surrounding it with concentric rings of various sizes, there was a phenomenon that improved performance when the target was surrounded by smaller circles thereby increasing its perceived size. They found that when the target was perceived as larger, performance increased.
321: 1295: 545:, an error of only 0.2 mm (0.0079 in) in sight alignment can mean a complete miss (a 3 mm (0.12 in) point of impact miss). At 1,000 m (3,300 ft), that same misalignment would be magnified 100 times, giving an error of over 300 mm (12 in), 1,500 times the sight misalignment. Increasing the sight radius helps to reduce eventual angular errors and will, in case the sight has an incremental adjustment mechanism, adjust in smaller increments when compared to a further identical shorter sighting line. With the front sight on the front end of the barrel, sight radius may be increased by moving the rear sight from the barrel onto the receiver or tang. 624:
post or bead is positioned both vertically and horizontally in the center of the rear sight notch. For a center hold, the front sight is positioned on the center of the target, bisecting the target vertically and horizontally. For a 6 o'clock hold, the front sight is positioned just below the target and centered horizontally. A 6 o'clock hold is only good for a known target size at a known distance and will not hold zero without user adjustment if these factors are varied. From the shooter's point of view, there should be a noticeable space between each side of the front sight and the edges of the notch; the spaces are called
1043: 866:. The ghost ring is a fairly recent innovation, and differs from traditional aperture sights in the extreme thinness of the rear ring and the slightly thicker front sight. The thin ring minimizes the occlusion of the target, while the thicker front post makes it easy to find quickly. Factory Mossberg ghost ring sights also have thick steel plates on either side of the extremely thin ring. These are to protect the sight's integrity in cases where, if the shotgun were to fall and impact a surface in a way that could potentially damage or distort the shape of the ring. 673:, and are in the form of a wide and large "V" with a heavy white contrast line marking its bottom and a big white or gold bead front sight. These sights do not occlude the target as much as some other styles which is useful in the case of a charging animal. In cases where the range is close and speed far outweighs accuracy (e.g. the shooter is being charged by dangerous big-game), the front sight is used like a shotgun bead; the rear sight is ignored, and the bead is placed on the target. When more time is available, the bead is placed in the "V" of the rear sight. 920:") is usually a large disk (up to 1 inch or 2.5 cm in diameter) with a small hole in the middle, of approximately 1.2 mm (0.047 in) or less, and is placed close to the shooter's eye. High end target diopters normally accept accessories like adjustable diopter aperture and optical filter systems to ensure optimal sighting conditions for match shooters. Typical modern target shooting diopters offer windage and elevation corrections in 2 mm (0.079 in) to 4 mm (0.157 in) increments at 100 m (109.4 yd). Some 1027: 628:, and the brightness of the light bars provides the shooter feedback as to the alignment of the post in the notch. Vertical alignment is done by lining up the top of the front post with the top of the rear sight, or by placing the bead just above the bottom of the V or U-notch. If the post is not centered in the V or U notch, the shot will not be accurate. If the post extends over the V or U-notch it will result in a high shot. If the post does not reach the top of the V or U-notch it will result in a low shot. 967: 1268: 768: 749: 905: 308: 880: 615: 1140: 892: 842: 36: 1211:. They will be compact and heavily built, and designed to lock securely into position. Target sights, on the other hand, are much bulkier and easier to adjust. They generally have large knobs to control horizontal and vertical movement without tools, and often they are designed to be quickly and easily detachable from the gun so they can be stored separately in their own protective case. 1128: 740:" configuration, where a proper sight picture uses a bead mounted at the midpoint of the barrel in conjunction with a front bead mounted toward the muzzle. Many shotgun manufacturers, such as Browning, calibrate these sighting systems to produce a shotgun pattern that is "dead-on" when the front bead is stacked just above the mid-bead, producing the figure-8 sight picture. 1284: 1307:
variety of different contrast enhancements to the basic Patridge type sight and others have been developed to address this deficiency. The contrast enhancement of the front sight has to be somewhat larger compared to the contrast enhancement(s) used for the rear sight if all contrast enhancements should appear about equally large from the shooters perspective.
133: 521:). Exceptions are possible depending on the type of handgun, e.g. the rear sight on a snub-nose revolver is typically a trench milled into the top strap of the frame, and the front sight is the to-be-expected blade. Certain handguns may have the rear sight mounted on a hoop-like bracket that straddles the slide. 949:
dim ring of light can actually be more difficult to work with than a larger, brighter ring. The precise sizes are quite subjective, and depend on both shooter preference and ambient lighting, which is why target rifles come with easily replaceable front sight inserts, and adjustable aperture mechanisms.
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or matte black paint can also help. "Smoking" a sight by holding a match or cigarette lighter under the sight to deposit a fine layer of soot is a technique used by many shooters, and special soot-producing lighters are sold for use by competition shooters. Even a thin layer of mud or dirt applied to
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The downside to adjustable sights is the inherent fragility of the moving parts. A fixed sight is a solid piece of metal, usually steel, and if firmly attached to the gun, little is going to be able to damage it beyond usefulness. Adjustable sights, on the other hand, are bulkier, and have parts that
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material to glow. Self-luminous tritium sights provide vital visibility in extremely low light situations where normal sights would be degraded or even useless. The tritium glow is not noticeable in bright conditions such as daylight however. As a result, some manufacturers have started to integrate
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Many target sights are designed with vertical or even undercut front sight blades, which reduces the angles at which light will produce glare off the sight—the downside of these sights is that they tend to snag on clothing, branches, and other materials, so they are common only on target guns. Sight
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Glare, particularly from the front sight, can be a significant problem with iron sights. The glare from the front sight can increase the apparent brightness of the light bar on one side of the sight, causing windage errors in aiming, or lower the apparent height of the front sight, causing elevation
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for the dots, made in such a way that ambient light falling on the length of the fiber is concentrated at the tip, making the dots slightly brighter than the surroundings. This method is most commonly used in front sights, but many makers offer sights that use fiber optics on front and rear sights.
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In low light conditions the parallax suppression phenomenon is markedly better. The depth of field looking through the sight remains the same as in bright conditions. This is in contrast to open sights, where the eye's pupil will become wider in low light conditions, meaning a larger aperture and a
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effects from a hot barrel. Rather than being aimed like a rifle or handgun, the shotgun is pointed with the focus always on the target, and the unfocused image of the barrel and bead are placed below the target (the amount below depends on whether the target is rising or falling) and slightly ahead
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at a time, and the rear sight, front sight and target are all in separate planes, only one of those three planes can be in focus. Which plane is in focus depends on the type of sight, and one of the challenges to a shooter is to keep the focus on the correct plane to allow for best sight alignment.
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circles. Even for the maximum precision, there should still be a significant area of white visible around the bullseye and between the front and rear sight ring (if a front ring is being used). Since the best key to determining center is the amount of light passing through the apertures, a narrow,
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The theory of operation behind the aperture sight is often stated that the human eye will automatically center the front sight when looking through the rear aperture, thus ensuring accuracy. However, aperture sights are accurate even if the front sight is not centered in the rear aperture due to a
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Aperture sights, also known as "peep sights", range from the "ghost ring" sight, whose thin ring blurs to near invisibility (hence "ghost"), to target aperture sights that use large disks or other occluders with pinhole-sized apertures. In general, the thicker the ring, the more precise the sight,
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sights, named after inventor E. E. Patridge, a 19th-century American sportsman, consist of a square or rectangular post and a flat-bottomed square notch and are the most common form of open sights, being preferred for target shooting, as the majority of shooters find the vertical alignment is more
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and is also found on some handguns. The open, V-shaped rear allows for faster acquisition and wider field of view, though less accurate for longer range precision type shooting. The dot on the front sight is aligned or set directly above the vertical bar on the rear sight, commonly referred to as
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On semi-automatic handguns, the most common type of enhancement is a bright white dot painted on the front sight near the top of the blade, and a dot on each side of the rear sight notch. In low lighting conditions the front sight dot is centered horizontally between the rear sight dots, with the
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for the entire optical system of target, front sight post, rear aperture, and eye. As long as the aperture's diameter is completely contained within the eye's pupil diameter, the exact visual location of the front sight post within the rear aperture ring does not affect the accuracy, and accuracy
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Open sights generally are used where the rear sight is at significant distance from the shooter's eye. They provide minimum occlusion of the shooter's view, but at the expense of precision. Open sights generally use either a square post or a bead on a post for a front sight. To use the sight, the
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Front aperture size is a compromise between a tight enough aperture to clearly define the aiming point and a loose enough aperture so as to not cause 'flicker'. When the aperture is too small, the boundary between the target and front aperture outline becomes indistinct, requiring the shooter to
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black finish to their sights, to reduce the chance of glare and increase the contrast between the sights and the light bars, black sights don't offer good visibility with dark targets or in low light conditions, such as those often encountered in hunting, military, or self-defense situations. A
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degrees of elevation. Both ladder and tang sights folded down when not in use to reduce the chance of damage to the sights. Ladder sights were mounted on the barrel, and could be used as sights in both the folded and unfolded states. Tang sights were mounted behind the action of the rifle, and
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plastic insert elements may also be used, with a hole in the middle; these work the same way as an opaque ring, but provide a less obstructed view of the target. High end target front sight tunnels normally also accept accessories like adjustable aperture and optical systems to ensure optimal
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Open sights have many advantages: they are very common, inexpensive to produce, uncomplicated to use, sturdy, lightweight, resistant to severe environmental conditions, and they do not require batteries. On the other hand, they are not as precise as other forms of sights, and are difficult or
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While iron sights are very simple, that simplicity also leads to a staggering variety of different implementations. In addition to the purely geometric considerations of the front blade and rear notch, there are some factors that need to be considered when choosing a set of iron sights for a
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impossible to adjust. Open sights also take much more time to use—the buckhorn type is the slowest, patridge, "U" and "V" type notch sights are only a bit quicker; only the express sight is relatively fast. In addition, open sights tend to block out the lower portion of the shooter's
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with a threaded cap, which allows differently shaped removable front sight elements to be used. Most common are posts of varying widths and heights or rings of varying diameter—these can be chosen by the shooter for the best fit to the target being used. Tinted
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A selection of open sights, and one aperture sight suitable for use with long eye relief: A) U-notch and post, B) Patridge, C) V-notch and post, D) Express, E) U-notch and bead, F) V-notch and bead, G) trapezoid, H) ghost ring. The gray dot represents the
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The ghost ring sight is considered by some to be the fastest type of aperture sight. It is fairly accurate, easy to use, and obscures the target less than nearly all other non-optical sights. Because of this, ghost ring sights are commonly installed on
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front sight is the preferred sighting reference in conjunction with a rear leaf. In this instance, the shotgun is used more like a rifle, allowing intentionally aimed shots. Some even equip their shotguns with open or aperture sights akin to a rifle.
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series of weapons along with several others. Rifle aperture sights for military combat or hunting arms are not designed for maximal attainable precision like target aperture sights, as these must be usable under suboptimal field conditions.
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markings that allow the shooter to quickly compensate (though with rather limited precision) for increasing bullet drops at extended distances. Because the sight axis (which is a straight line) and the projectile trajectory (which is a
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later M16 series rifles have a dial adjustable range calibrated rear sight, and use an elevation adjustable front sight to "zero" the rifle at a given range. The rear sight is used for windage adjustment and to change the zero range.
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The most common solution to the problem of glare is a matte finish on the sights. Serrating or bead blasting the sight is a common solution for brightly finished sights, such as blued steel or stainless steel. Matte finishes such as
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only starts to degrade slightly due to parallax shift as the aperture's diameter begins to encroach on the outside of the eye's pupil diameter. An additional benefit to aperture sights is that smaller apertures provide greater
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and early cartridges was not capable of propelling a bullet at high speed, these sights had very large ranges of vertical adjustments, often on the order of several degrees, allowing very long shots to be made accurately. The
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With typical blade- or post-type iron sights, the shooter would center the front sight's post in the notch of the rear sight and the tops of both sights should be level. Since the eye is only capable of focusing on one
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in the rear, which a slider on the rear sight has pre-calibrated elevation adjustments for different ranges. With tangent sights, the rear sight is often used to adjust the elevation, and the front the windage. The
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can have foldable rear and front sight elements that can be readily flipped up or down by the user. Such iron sights are often used as secondary sighting systems in case the main weapon sight (typically an
179:. Iron sights, which are typically made of metal, are the earliest and simplest type of sighting device. Since iron sights neither magnify nor illuminate the target, they rely completely on the viewer's 291:. Iron sights may still be fitted alongside other sighting devices (or in the case of some models of optics, incorporated integrally) for back-up usage, if the primary sights are damaged or lost. 924:(ISSF) (Olympic) shooting events require this precision level for sighting lines, since the final score of the top competitors last shots series is expressed in tenths of scoring ring points. 1165:, the rear sight consists of a fixed sight that is a groove milled into the top of the gun's receiver. Adjustable sights are designed to be adjustable for different ranges, for the effect of 1327:
Heinie Specialty Products produces a variant of high visibility sights in which a single dot front sight and a rear notch with a dot below can be lined up vertically to form a figure eight.
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The use of round rear and front sighting elements for aiming at round targets, like used in ISSF match shooting, takes advantage of the natural ability of the eye and brain to easily align
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shooter trying to hit the 10 ring, which is merely a 0.5 mm (0.020 in) diameter dot on the target at 10 m (33 ft) and with a 4.5 mm (0.18 in) diameter
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of the target if there is lateral movement. This method of aiming is not as precise as that of a front sight/rear sight combination, but it is much faster, and the wide spread of
705:" a shotgun versus the accurate aiming of a rifle. Some even espouse a mentality that eliminates the concept of "aim" altogether. Because much of shotgunning involves putting a 1595: 3789: 721:. When shooting, aligning the rear groove with the front bead is not to be consciously considered, as it comprises only a rough reference allowing the shooter to use their 1009:
provided a very long sight radius, and had to be unfolded for use, though rifles with tang sights often had open sights as well for close range use. Tang sights often had
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must move relative to the gun. Solid impact on an adjustable sight will usually knock it out of adjustment, if not knock it right off the gun. Because of this, guns for
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past a gap at the center of the rear sight and towards the top edge of the front sight. When the shooter's line of sight, the iron sights, and target are all aligned, a
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errors in aiming. Since the direction of the ambient light is rarely constant for a shooter, the resulting changing glare can significantly affect the point of aim.
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in the path of moving targets, the concept of a sight is considered a subconscious aid. The front sight of a shotgun is a small spherical "bead" attached to the
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phenomenon called parallax suppression. This is because, when the aperture is smaller than the eye's pupil diameter, the aperture itself becomes the
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sighting conditions for match shooters. Some high end target sight line manufacturers also offer front sights with integrated aperture mechanisms.
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Various methods of open sight contrast enhancement. Left to right: Three dot, white outline, straight-eight, red insert, dot and bar, gold bead
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Pictures taken under identical conditions through large (left) and small (right) diameter aperture sights, with camera focused on front sight
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The earliest and simplest iron sights were fixed and could not be easily adjusted. Many modern iron sights are designed to be adjustable for
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Fiber optic sights can now be found on handguns, rifles, and shotguns, both as aftermarket accessories and a growing number of factory guns.
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Popular on revolvers, this enhancement consists of a colored plastic insert in the front sight blade, usually red or orange in color.
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to have any chance of intersecting, it will be very difficult to shoot accurately if the sights are not perpendicularly above the
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Iron sights used for hunting guns tend to be a compromise. They will be adjustable, but only with tools—generally either a small
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the sight will help kill the glare, as long as the coating is thin and consistent enough not to change the shape of the sights.
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or military use either have fixed sights, or sights with "wings" on the sides for protection (such as those on the M4 carbine).
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In the tactical environment, where targets aren't moving across the visual field as quickly, sights do have a role. For many, a
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cartridge, for example, was tested by the military for accuracy at ranges of up to 1,500 yards (1,372 metres), which required 3
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by which the target is visible. In this respect, iron sights are distinctly different from optical sight designs that employ
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target placed above the middle (front) dot. Some sight vendors offer differently colored dots for the front and rear sights.
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Front sights vary in design but are often a small post, bead, ramp, or ring. There are two main types of rear iron sight:
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Aperture sights on military rifles use a larger aperture with a thinner ring, and generally a simple post front sight.
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blurrier target. The downside to this is that the image through an aperture sight is darker than with an open sight.
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A contrast variation which uses a dot front sight with a thick and bright white outline around the rear sight notch.
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shroud around the front post sight is aligned with the rear peep sight to ensure the firearm is properly trained.
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sights with tritium vials to provide bright, high-contrast firearms sights in both bright and dim conditions.
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hoods reduce the chances of snagging an undercut sight and are common on some types of rifles, particularly
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A center hold sight picture with focus on the front sight; the out-of-focus gray dot represents the target.
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rifles. Express sights are most often used on heavy caliber rifles intended for the hunting of dangerous
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A 6 o'clock sight picture with focus on the front sight; the out-of-focus gray dot represents the target.
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The most common is a rear sight that adjusts in both directions, though military rifles often have a
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a metallic sight for a gun as distinguished from a sight depending on an optical or computing system
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Front globe of a BRNO target sight. Note knurled nut holding in the replaceable front sight insert
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Head Position, Diopter Interval and Lint by Heinz Reinkemeier, UIT Journal at www.issf-sports.org
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Target aperture sights are designed for maximum precision. The rear sight element (often called "
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Iron sights are typically composed of two components mounted perpendicularly above the weapon's
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Chauvel, Guillaume (15 October 2014). "Visual illusions can facilitate sport skill learning".
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Rifles from the late 19th century often featured one of two types of aperture sight called a "
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limitations of the human eye, do not work as well for shooters with less than perfect vision.
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can allow an effective hit even if there is some aiming error. Some shotguns also provide a
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Green fiber optic contrast enhancement rods used in an adjustable open sight rear element
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with optical aiming devices, although "offset" BUISs that are mounted obliquely from the
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The complementing front sight element may be a simple bead or post, but is more often a "
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A growing trend, started on air rifles and muzzleloaders, is the use of short pieces of
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of the notch. Front sights are mounted to the front end of the barrel by dovetailing,
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sights are a variant of the patridge which substitute a V- or U-shaped rear notch.
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Rail mounted lowered flip up rear and front sight elements on a AR-15 type rifle
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Calculations assume a 660 mm (26 in) sight radius or sighting line
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Similar to the straight eight type, this type of sight is traditional on
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Rear aperture of a BRNO target sight. Note large disk and small aperture
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Fixed sights are sights that are not adjustable. For instance, on many
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On tactical firearms, the contrast enhancements can consist of small
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Sights for shotguns used for shooting small, moving targets (such as
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ladder aperture sight calibrated out to 1,600 yd (1,463 m)
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and thus its trajectory and point of impact. Sight adjustments are
395:, the longer of which produces smaller angular errors when aiming. 330:
that allows for compensating for the roll-pitch-yaw of an aircraft.
2672: 2667: 2652: 2607: 2303: 1625:"Sighting Systems for the Defensive Shotgun - Lucky Gunner Lounge" 1293: 1282: 1274: 1266: 1033: 965: 903: 863: 862:, and they are also gaining ground as a backup sighting system on 840: 800:
of several disciplines and on several military rifles such as the
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Rail mounted raised flip up rear and front sight elements on a
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rifles, but they are prohibited in some shooting disciplines.
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rifle, with calibrated markings for ranges out to 1,500 meters
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The general advice, however, is to focus on the front sight.
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Heinie Specialty products Web site. Retrieved July 29, 2008.
276:. On many firearms it is the rear sight that is adjustable. 1677:"Parallax Suppression with a Target Rifle Aperture Sight" 584:, which is usually ventilated to keep it cool and reduce 1350:
Preferred by many competitors in IPSC and IDPA shooting.
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also exist. When used with non-magnifying optics (e.g.
580:. Often, this bead will be placed along a raised, flat 1543:"Shooting a Shotgun vs. a Rifle | OR | Hunter Ed.com™" 466:, closer to the eye of the shooter, allowing for easy 1869:
Smith & Wesson Web site. Retrieved July 29, 2008.
375:
with the front and rear sights, forming a consistent
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Spiderweb-type (low level) anti-aircraft sight on an
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that points straight at the target has been created.
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are a system of physical alignment markers used as a
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Kimber of America Web site. Retrieved July 29, 2008.
1701:"The Ultimate Guide to the AR15 Iron Sights Ver 1.1" 4295: 4236: 4197: 4125: 4077: 3986: 3883: 3740: 3676: 3592: 3511: 3335: 3265: 3139: 3040: 2699: 2597: 2545: 2488: 2446: 2302: 2196: 845:
Example of ghost ring on Stevens Model 350 shotgun.
175:, or less commonly as a primitive finder sight for 60:. Unsourced material may be challenged and removed. 257:, feature open sights. By contrast, many military 1918:"AmeriGlo Independent Light Tritium Night Sights" 1920:, Chuck Hawks Web site. Retrieved July 29, 2008. 1487:, Chuck Hawks Web site. Retrieved July 24, 2008. 776:and the thinner the ring, the faster the sight. 136:Sight picture through iron sights of an H&K 4287:Small Arms & Light Weapons (SALW) 1932:Novak Sights Web site. Retrieved July 29, 2008. 1850:Novak Sights Web site. Retrieved July 29, 2008. 912:target diopter and globe aperture sight picture 1287:Tritium-illuminated handgun night sights on a 1082:(BUIS). Backup sights are usually mounted via 1976: 736:Many shotgun bead sights are designed for a " 568:, or a plastic fluorescent material, such as 383:) and in turn producing what is known as the 191:manipulation or active illumination, such as 8: 1567:"Clays Shooting: Tips from the Shotgun Pros" 287:, the iron sights are usually replaced by a 279:For precision shooting applications such as 4242: 3962: 3682: 3517: 3495: 3271: 3145: 2705: 2686: 2499: 2313: 2065: 2012: 1983: 1969: 1961: 646:Other common open sight types include the 234:. During aiming, the shooter aligns their 1596:"Why Shotguns and Fiber-Optics Don't Mix" 1302:While target shooters generally prefer a 1169:, or to compensate for varying cartridge 576:) round bead is placed at the end of the 120:Learn how and when to remove this message 1843: 1841: 1839: 1479: 1477: 1475: 1473: 1471: 1469: 1467: 1465: 1463: 1404:List of telescope parts and construction 613: 497:, the rear sight will be mounted on the 410:), in order to produce a pre-determined 1445: 1425: 922:International Shooting Sport Federation 1956:Additional BRNO target sight images: 3 1951:Additional BRNO target sight images: 2 1946:Additional BRNO target sight images: 1 1670: 1668: 268:firearms by adjusting the sights for 249:, which use an unenclosed notch, and 7: 1675:Burdge, Robert J.; Kerr, Douglas A. 414:(POI) at that distance, known as a " 326:Aerial gunnery iron ring sight on a 58:adding citations to reliable sources 359:In the case of firearms, where the 1763:O'Connor, J.P. (January 3, 2011). 931:"-type sight, which consists of a 25: 1802:Psychonomic Bulletin & Review 1453:merriam-webster.com - iron sight 1114:, as the primary optical sights. 985:" or a "ladder sight". Since the 155:to assist the accurate aiming of 1138: 1126: 1041: 1025: 890: 878: 796:These sights are used on target 635:precise than other open sights. 335: 319: 34: 427:curve) must be within the same 45:needs additional citations for 1879:"Heinie Straight Eight Sights" 1279:Steyr triangular pistol sights 681:by nature, and because of the 439:) when aiming or sighting-in. 222:) to the shooter's eye, and a 1: 4152:Firearms by country 4067:Civilian Marksmanship Program 1151:Open sights arrangement on a 953:Front aperture size selection 4323:Federal Assault Weapons Ban 4221:Campaign Against Arms Trade 1497:Hacker, Rick (2010-09-23). 454:) are usually mounted on a 4378: 4277:High-capacity magazine ban 3403:Mean time between failures 1930:"Novak Fiber Optic Sights" 1525:"CMP - First Shot Online!" 1485:"Choosing the Right Sight" 1336:Bar / dot or express sight 1180:, which alter the round's 962:Non-target aperture sights 352: 4245: 4006:Household ownership rates 3961: 3685: 3520: 3494: 3274: 3148: 2708: 2685: 2502: 2316: 2077: 2064: 2015: 2011: 1814:10.3758/s13423-014-0744-9 1505:. Guns & Ammo Network 814:No. 4 series Lee–Enfields 197:reflector (reflex) sights 1765:"Where Are You Looking?" 1084:Rail Integration Systems 458:on the back part of the 261:employ aperture sights. 4307:by U.S. state 3717:Overpressure ammunition 3652:Improved Military Rifle 3358:Circular error probable 2277:Personal defence weapon 1848:"Description Of Sights" 387:(POA) within their own 4001:Civilian gun ownership 3530:Firing (Shooting) 1299: 1291: 1280: 1272: 975: 913: 870:Target aperture sights 846: 772: 764: 699:hunting of upland game 693:Among those utilizing 620: 519:semi-automatic pistols 435:(a situation known as 312: 304: 145: 3475:Handgun effectiveness 3408:Minute of Angle (MOA) 3284:Ballistic coefficient 2260:Semi-automatic pistol 1297: 1286: 1278: 1270: 1263:Contrast enhancements 1063:semi-automatic rifles 969: 907: 844: 770: 751: 617: 367:trajectory below the 310: 302: 135: 4362:Artillery components 4092:in the United States 3750:Armour piercing 3311:Rangefinding/keeping 3223:Push/Controlled feed 3015:Synchronization gear 2750:Blank-firing adapter 2601: or famous 1233:particular purpose. 802:Pattern 1914 Enfield 723:natural point of aim 558:clay pigeon shooting 226:farther forward (or 140:submachine gun. The 54:improve this article 4184:Privately made 4147:Firearm brands 4033:State firearms 4013:Exhibition shooting 3996:Celebratory gunfire 3855:Plastic tipped 3785:High explosive 3306:Physics of firearms 1629:www.luckygunner.com 1600:www.outdoorlife.com 1186:external ballistics 1133:Tangent rear sight. 4352:Firearm components 4282:Right to bear arms 4228:Featureless rifles 4174:Improvised firearm 4135:3D printed firearm 4023:United States 3918:Fully powered 3825:Total metal jacket 3465:Stock measurements 2188:Underwater firearm 2084: versus  1903:2009-03-05 at the 1884:2009-03-01 at the 1865:2009-03-03 at the 1344:"dotting the 'I'". 1318:White outline rear 1300: 1292: 1281: 1273: 1104:holographic sights 1080:backup iron sights 976: 914: 910:10 metre air rifle 847: 773: 765: 754:diopter drum sight 725:to make the shot. 621: 539:10 meter air rifle 482:very close to the 313: 305: 201:holographic sights 177:optical telescopes 146: 4339: 4338: 4335: 4334: 4331: 4330: 4296:United States Gun 3957: 3956: 3953: 3952: 3840:Hollow point 3765:Full metal jacket 3672: 3671: 3630:Tubes and Primers 3490: 3489: 3440:Power factor 3378:Gun harmonisation 3331: 3330: 3261: 3260: 3135: 3134: 3117:Night vision 2681: 2680: 2593: 2592: 2507:Automatic shotgun 2484: 2483: 2071:Types of firearms 2060: 2059: 1649:"Point of Impact" 1547:www.hunter-ed.com 1366:radioactive decay 1145:Front sight post. 363:follows a curved 193:telescopic sights 130: 129: 122: 104: 16:(Redirected from 4369: 4243: 4189:Small arms trade 4127:Firearm industry 3978:, and  3963: 3835:Hollow base 3683: 3662:Smokeless powder 3518: 3496: 3445:Precision-guided 3272: 3146: 2953:Rail system 2827:Flash suppressor 2706: 2687: 2633:Winchester rifle 2623:Antique firearms 2553:20-gauge shotgun 2500: 2314: 2066: 2013: 1985: 1978: 1971: 1962: 1933: 1927: 1921: 1914: 1908: 1898:"Handgun Sights" 1895: 1889: 1876: 1870: 1857: 1851: 1845: 1834: 1833: 1797: 1791: 1790: 1788: 1786: 1781:on March 8, 2021 1780: 1774:. Archived from 1769: 1760: 1754: 1753: 1751: 1750: 1744: 1738:. Archived from 1737: 1729: 1723: 1718: 1712: 1711: 1709: 1708: 1697: 1691: 1690: 1688: 1686: 1681: 1672: 1663: 1662: 1660: 1659: 1653:www.browning.com 1645: 1639: 1638: 1636: 1635: 1621: 1615: 1614: 1612: 1611: 1602:. Archived from 1592: 1586: 1585: 1583: 1582: 1573:. 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impact 357: 351: 350: 349: 348: 347: 340: 332: 331: 324: 297: 251:aperture sights 185:available light 153:sighting device 126: 115: 109: 106: 63: 61: 51: 39: 28: 23: 22: 15: 12: 11: 5: 4375: 4373: 4365: 4364: 4359: 4357:Firearm sights 4354: 4344: 4343: 4337: 4336: 4333: 4332: 4329: 4328: 4326: 4325: 4320: 4315: 4310: 4299: 4297: 4293: 4292: 4290: 4289: 4284: 4279: 4274: 4269: 4268: 4267: 4257: 4252: 4246: 4240: 4234: 4233: 4231: 4230: 4225: 4224: 4223: 4218: 4203: 4201: 4195: 4194: 4192: 4191: 4186: 4181: 4176: 4171: 4166: 4165: 4164: 4154: 4149: 4144: 4143: 4142: 4131: 4129: 4123: 4122: 4120: 4119: 4114: 4109: 4104: 4099: 4097:Assassinations 4094: 4088: 4086: 4075: 4074: 4072: 4071: 4070: 4069: 4059: 4054: 4049: 4042: 4037: 4036: 4035: 4030: 4025: 4015: 4010: 4009: 4008: 3998: 3992: 3990: 3984: 3983: 3966: 3959: 3958: 3955: 3954: 3951: 3950: 3948: 3947: 3942: 3937: 3932: 3931: 3930: 3925: 3920: 3910: 3905: 3900: 3895: 3889: 3887: 3881: 3880: 3878: 3877: 3872: 3867: 3862: 3857: 3852: 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3027: 3026: 3023: 3021: 3018: 3016: 3013: 3011: 3008: 3006: 3003: 3001: 2998: 2996: 2993: 2991: 2988: 2984: 2981: 2980: 2979: 2976: 2974: 2971: 2969: 2966: 2964: 2961: 2959: 2956: 2954: 2951: 2949: 2946: 2944: 2941: 2939: 2938:Muzzle shroud 2936: 2934: 2931: 2927: 2926:Stripper clip 2924: 2922: 2919: 2917: 2916:High-capacity 2914: 2912: 2909: 2907: 2904: 2902: 2899: 2898: 2897: 2894: 2890: 2887: 2885: 2882: 2881: 2880: 2877: 2873: 2870: 2868: 2865: 2863: 2860: 2859: 2858: 2855: 2853: 2850: 2848: 2845: 2843: 2840: 2838: 2835: 2833: 2830: 2828: 2825: 2823: 2820: 2818: 2815: 2813: 2810: 2808: 2805: 2803: 2800: 2798: 2795: 2791: 2788: 2786: 2783: 2781: 2778: 2776: 2773: 2771: 2768: 2767: 2766: 2763: 2761: 2758: 2756: 2753: 2751: 2748: 2746: 2743: 2741: 2738: 2734: 2731: 2729: 2726: 2724: 2721: 2719: 2716: 2715: 2714: 2711: 2710: 2707: 2704: 2702: 2698: 2694: 2688: 2684: 2674: 2671: 2669: 2666: 2664: 2661: 2659: 2656: 2654: 2651: 2649: 2646: 2644: 2643:Mauser rifles 2641: 2639: 2636: 2634: 2631: 2629: 2626: 2624: 2621: 2619: 2616: 2614: 2611: 2609: 2606: 2605: 2603: 2600: 2596: 2586: 2583: 2581: 2578: 2574: 2571: 2570: 2569: 2568:Shotgun shell 2566: 2564: 2561: 2559: 2556: 2554: 2551: 2550: 2548: 2544: 2538: 2535: 2533: 2530: 2528: 2525: 2523: 2520: 2518: 2515: 2513: 2510: 2508: 2505: 2504: 2501: 2498: 2495: 2491: 2487: 2477: 2474: 2472: 2469: 2467: 2464: 2462: 2459: 2457: 2454: 2453: 2451: 2449: 2445: 2437: 2434: 2433: 2432: 2429: 2427: 2424: 2420: 2417: 2416: 2415: 2412: 2410: 2407: 2403: 2400: 2398: 2395: 2393: 2390: 2388: 2385: 2383: 2380: 2379: 2378: 2375: 2373: 2370: 2366: 2363: 2362: 2361: 2358: 2354: 2351: 2350: 2349: 2346: 2344: 2341: 2337: 2334: 2333: 2332: 2329: 2327: 2324: 2322: 2321:Anti-materiel 2319: 2318: 2315: 2312: 2309: 2305: 2301: 2295: 2292: 2290: 2287: 2283: 2280: 2278: 2275: 2274: 2273: 2270: 2266: 2263: 2262: 2261: 2258: 2254: 2251: 2250: 2249: 2246: 2244: 2241: 2239: 2236: 2234: 2231: 2227: 2224: 2223: 2222: 2219: 2217: 2214: 2212: 2209: 2207: 2204: 2203: 2201: 2199: 2195: 2189: 2186: 2184: 2181: 2179: 2176: 2174: 2171: 2169: 2166: 2164: 2161: 2159: 2156: 2154: 2151: 2149: 2146: 2144: 2141: 2138: 2134: 2131: 2127: 2124: 2122: 2119: 2117: 2114: 2113: 2112: 2109: 2107: 2104: 2102: 2099: 2097: 2094: 2092: 2089: 2087: 2083: 2080: 2079: 2076: 2072: 2067: 2063: 2053: 2050: 2048: 2045: 2043: 2040: 2038: 2035: 2033: 2030: 2026: 2023: 2022: 2021: 2018: 2017: 2014: 2010: 2005: 2001: 1997: 1993: 1986: 1981: 1979: 1974: 1972: 1967: 1966: 1963: 1957: 1954: 1952: 1949: 1947: 1944: 1943: 1939: 1931: 1926: 1923: 1919: 1913: 1910: 1906: 1902: 1899: 1894: 1891: 1887: 1883: 1880: 1875: 1872: 1868: 1864: 1861: 1856: 1853: 1849: 1844: 1842: 1840: 1836: 1831: 1827: 1823: 1819: 1815: 1811: 1807: 1803: 1796: 1793: 1777: 1773: 1766: 1759: 1756: 1745:on 2017-10-30 1741: 1734: 1728: 1725: 1722: 1717: 1714: 1703:. 16 May 2016 1702: 1696: 1693: 1678: 1671: 1669: 1665: 1654: 1650: 1644: 1641: 1630: 1626: 1620: 1617: 1606:on 2017-09-26 1605: 1601: 1597: 1591: 1588: 1577:on 2021-03-08 1576: 1572: 1568: 1562: 1559: 1548: 1544: 1538: 1535: 1530: 1529:www.odcmp.org 1526: 1520: 1517: 1504: 1500: 1493: 1490: 1486: 1480: 1478: 1476: 1474: 1472: 1470: 1468: 1466: 1464: 1460: 1457: 1456: 1449: 1446: 1439: 1429: 1426: 1419: 1415: 1412: 1410: 1407: 1405: 1402: 1400: 1397: 1396: 1392: 1386: 1385:optical fiber 1382: 1379: 1376: 1371: 1367: 1363: 1359: 1355: 1352: 1349: 1346: 1342: 1338: 1335: 1332: 1330:Sight inserts 1329: 1326: 1323: 1320: 1317: 1313: 1310: 1309: 1308: 1305: 1296: 1290: 1289:FN Five-seven 1285: 1277: 1269: 1262: 1260: 1258: 1252: 1249: 1243: 1236: 1234: 1227: 1225: 1222: 1217: 1216:tangent sight 1212: 1210: 1206: 1201: 1199: 1193: 1191: 1187: 1183: 1179: 1175: 1172: 1168: 1164: 1154: 1141: 1129: 1117: 1115: 1113: 1109: 1108:sight picture 1105: 1101: 1097: 1093: 1089: 1085: 1081: 1077: 1076:red dot sight 1073: 1069: 1068:optical sight 1064: 1061: 1057: 1044: 1035: 1028: 1016: 1014: 1012: 997: 992: 991:muzzleloaders 988: 984: 979: 973: 968: 961: 959: 952: 950: 947: 942: 939: 934: 930: 925: 923: 919: 911: 906: 893: 881: 869: 867: 865: 861: 857: 853: 843: 836: 834: 831: 827: 823: 819: 815: 811: 807: 806:M1917 Enfield 803: 799: 794: 790: 788: 783: 777: 769: 762: 761:assault rifle 759: 755: 750: 743: 741: 739: 734: 731: 726: 724: 720: 716: 712: 708: 704: 700: 696: 688: 686: 684: 680: 679:field of view 674: 672: 668: 665: 661: 657: 653: 652:semi-buckhorn 649: 644: 642: 638: 633: 629: 627: 616: 609: 604: 602: 600: 596: 592: 587: 583: 579: 575: 571: 567: 563: 559: 555: 554:trap shooting 551: 546: 544: 540: 536: 531: 528: 522: 520: 516: 512: 508: 504: 500: 496: 491: 489: 485: 481: 477: 473: 469: 465: 461: 457: 456:dovetail slot 453: 449: 445: 440: 438: 434: 430: 426: 421: 417: 413: 409: 405: 401: 396: 394: 390: 389:field of view 386: 382: 378: 374: 373:line of sight 370: 366: 362: 356: 345: 338: 329: 322: 309: 301: 294: 292: 290: 286: 282: 277: 275: 271: 267: 262: 260: 256: 252: 248: 243: 241: 237: 236:line of sight 233: 229: 225: 221: 217: 213: 208: 206: 202: 198: 194: 190: 186: 182: 178: 174: 170: 166: 162: 158: 154: 150: 143: 139: 134: 124: 121: 113: 102: 99: 95: 92: 88: 85: 81: 78: 74: 71: â€“  70: 69:"Iron sights" 66: 65:Find sources: 59: 55: 49: 48: 43:This article 41: 37: 32: 31: 27:Aiming device 19: 4199:Arms control 4079:Gun violence 4046:Jungle style 4045: 4018:Gun cultures 3923:Intermediate 3600:Fire forming 3450:Rate of fire 3321:Stadiametric 3299:Transitional 3243:Self-loading 3198:Gas-operated 3158:Blow-forward 3090:Red dot 3069: 3000:Squeeze bore 2948:Pistol slide 2933:Muzzle brake 2901:Bottom metal 2448:Machine guns 2106:Line thrower 2086:muzzleloader 2082:Breechloader 1925: 1912: 1893: 1874: 1855: 1805: 1801: 1795: 1783:. 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Retrieved 1503:RifleShooter 1502: 1492: 1454: 1448: 1428: 1409:Reflex sight 1353:Night sights 1301: 1257:lever-action 1253: 1244: 1240: 1231: 1228:Enhancements 1215: 1213: 1209:allen wrench 1202: 1198:self defense 1194: 1160: 1112:cowitnessing 1111: 1086:(most often 1079: 1054: 987:black powder 980: 977: 956: 943: 926: 915: 848: 795: 791: 778: 774: 735: 727: 692: 675: 667:lever-action 655: 651: 647: 645: 640: 636: 631: 630: 625: 622: 594: 581: 547: 532: 523: 513:) or on the 511:single-shots 492: 441: 415: 411: 397: 393:sight radius 392: 385:point of aim 384: 380: 376: 358: 278: 263: 250: 246: 244: 239: 227: 223: 219: 215: 209: 205:laser sights 148: 147: 116: 110:January 2012 107: 97: 90: 83: 76: 64: 52:Please help 47:verification 44: 4313:Legislation 4265:in the U.S. 4216:Disarmament 4211:Gun control 3908:Handloading 3695:Dummy round 3567:Cooking off 3562:Malfunction 3550:Field strip 3545:Maintenance 3435:Penetration 3398:Match grade 3316:Mathematics 3248:Single-shot 3188:Closed bolt 3102:Scope mount 3065:Holographic 3055:Finderscope 2943:Pistol grip 2921:Speedloader 2775:Telescoping 2755:Breechblock 2628:Gatling gun 2527:Pump action 2168:Single-shot 2091:Combination 1499:"Peep Show" 1399:Laser sight 1380:Fiber optic 1375:fiber optic 1370:fluorescent 1360:containing 1248:parkerizing 1205:screwdriver 1110:, known as 1060:sporterized 938:transparent 610:Open sights 527:focal plane 400:Sighting in 377:line of aim 355:Sighting in 266:sighting in 247:open sights 240:line of aim 230:) near the 224:front sight 218:nearer (or 149:Iron sights 4346:Categories 4117:Gun safety 4112:Gunfighter 3903:Centrefire 3885:Cartridges 3865:Snake shot 3805:Round shot 3795:Projectile 3780:Incendiary 3678:Ammunition 3637:Propellant 3605:Obturation 3577:Squib load 3505:ammunition 3343:Accurizing 3279:Ballistics 3193:Electronic 3112:Telescopic 2963:Recoil pad 2822:Firing pin 2797:Bump stock 2760:Breechface 2701:Components 2693:components 2546:Ammunition 2294:Wallet gun 2238:Pepper-box 2183:Spring-gun 2178:Smoothbore 2173:Sleeve gun 1749:2018-10-17 1707:2022-02-04 1685:6 February 1658:2018-04-22 1634:2018-04-22 1610:2018-04-22 1581:2018-04-22 1552:2018-04-22 1440:References 1364:gas whose 1190:orthogonal 1118:Adjustment 1070:such as a 1036:type rifle 983:tang sight 946:concentric 837:Ghost ring 758:SIG SG 550 730:fiberoptic 719:barrel rib 660:Winchester 626:light bars 507:derringers 433:gun barrel 381:sight axis 361:projectile 353:See also: 295:Principles 281:varminting 216:rear sight 80:newspapers 18:Peep sight 4157:Gun shops 4107:Forensics 4082:and  4028:Gun shows 3770:Frangible 3760:Expanding 3712:Gas check 3707:Flechette 3690:Cannelure 3615:Gunpowder 3572:Hang fire 3540:Firefight 3393:Lock time 3383:Headspace 3348:Bore axis 3233:Repeating 3183:Open bolt 3097:Magnifier 2983:Auto sear 2889:Wheellock 2884:Flintlock 2862:Half-cock 2817:Extractor 2718:Feed ramp 2648:Tommy Gun 2638:M1 Garand 2573:.410 bore 2537:Sawed-off 2512:Coach gun 2426:Repeating 2419:Polygonal 2343:Automatic 2326:Anti-tank 2211:Derringer 2101:Flare gun 1785:April 22, 1368:causes a 1347:Gold bead 1311:Three-dot 1163:revolvers 1096:bore axis 970:Military 818:M14 rifle 810:M1 Garand 503:revolvers 472:soldering 446:(such as 444:long guns 425:parabolic 420:elevation 369:bore axis 365:ballistic 270:elevation 255:long guns 212:bore axis 181:naked eye 169:crossbows 4318:Politics 4238:Gun laws 4169:Gunsmith 4057:Politics 3976:industry 3898:Caseless 3700:Snap cap 3593:Ignition 3584:Ricochet 3525:Dry fire 3501:Shooting 3428:Velocity 3294:Terminal 3289:External 3253:Slamfire 3238:Revolver 3153:Blowback 3020:Tapering 2995:Silencer 2958:Receiver 2896:Magazine 2852:Foregrip 2842:Freebore 2812:Cylinder 2770:Rotating 2733:Trunnion 2599:Historic 2490:Shotguns 2409:Marksman 2387:Elephant 2289:Starting 2248:Revolver 2216:Duelling 2206:Cane gun 2198:Handguns 2158:Riot gun 2126:Takedown 2111:Long gun 2096:Elephant 2000:glossary 1992:Firearms 1901:Archived 1882:Archived 1863:Archived 1822:25316049 1571:Range365 1393:See also 1182:velocity 1178:loadings 989:used in 933:cylinder 860:handguns 828:and the 738:figure 8 715:receiver 695:shotguns 671:big game 648:buckhorn 632:Patridge 595:mid-bead 535:parallax 495:handguns 476:screwing 464:receiver 452:carbines 220:proximal 183:and the 161:firearms 159:such as 4305: ( 4272:License 4040:Hunting 3988:Society 3968:Society 3945:Wildcat 3940:Pinfire 3870:Spitzer 3800:Raufoss 3742:Bullets 3732:Wadding 3647:Cordite 3625:Rimfire 3555:Fouling 3535:Gunshot 3513:Gunshot 3353:Caliber 3336:Metrics 3267:Physics 3168:Boxlock 3141:Actions 3127:Zeroing 3122:Thermal 3080:Reticle 3050:Diopter 3025:Trigger 2872:Striker 2847:Forearm 2832:Fluting 2802:Chamber 2790:Tilting 2780:Flapper 2740:Bayonet 2728:Threads 2492: ( 2414:Rifling 2402:Varmint 2392:Express 2382:Buffalo 2377:Hunting 2360:Carbine 2331:Assault 2306: ( 2233:Machine 2153:Pen gun 2148:Net gun 2143:Needler 2135: ( 2116:Carbine 2037:History 2020:Firearm 1994: ( 1830:1671695 1509:18 July 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Peep sight

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MP5
annular
sighting device
ranged weapons
firearms
airguns
crossbows
bows
optical telescopes
naked eye
available light
optical
telescopic sights
reflector (reflex) sights
holographic sights
laser sights
bore axis

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