Stoner 63 - Knowledge (XXG)

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power reserve. The gas port was drilled larger in an attempt to alleviate this problem; however this had the effect of merely accelerating the piston's initial displacement. The issue was never truly resolved. The Rifle, Carbine and AR barrels have no gas valves as they are exclusively used in magazine-fed configurations and do not require the energy surplus levels of belt-fed mechanisms. The standard machine gun barrel has a manually adjustable gas regulator that can be operated by inserting the nose of a cartridge into a hole over the regulator's lock detent, pushing down on the detent and rotating to the desired position. The gas regulator has three settings: a "slow" cyclic rate of about 700 rounds/min, produced when the narrowest indicator notch is set over the detent; a middle position with an intermediate rate of 830 rounds/min and a third "fouled" position that delivers the largest quantity of propellant gas to the system, resulting in a rate of fire of 865 rounds/min (the use of this setting should be limited as it induces excessive wear on the operating mechanism).

910:. The Stoner 63/63A will not work reliably with the later M27 link developed for the M249 SAW. The belt is normally contained in a 150-round plastic ribbed container that has a tab allowing it to be clipped on to the side of the left-hand feed tray. Early ammunition boxes were olive drab in color and manufactured at Costa Mesa, this later changed to a black-colored plastic container made in Warren, Michigan. Stoner 63A boxes were also black but had a reduced capacity of 100 rounds as the larger container would unbalance the rifle. These can either be attached to the left-hand feed tray or held in a bottom box carrier when using the right-hand feed mechanism. Several drum-type belt carriers were designed for the left-hand feed system, with a 150-round drum container being the most popular and used frequently by SEALS in Vietnam. A 250-round drum carrier was also developed by 973:

Rifle/Carbine variants and the left-hand feed LMG with a 150-round drum-type belt container), a full dust cover (used with the top-feeding Automatic Rifle or vertically mounted ammo box on any belt-fed system) or a half size dust cover (used with the right-hand-feed bottom box carrier). The next two pins retain the timer and hammer, both of which are absent in the open bolt configurations. The final pin acts as the trigger's axis shaft; the spring-loaded sear pivots on the selector lever's axis pin. The selector is disconnected when firing from the open bolt and a sliding manual safety installed near the trigger guard disables the trigger when pushed to the rear. The rear portion of the trigger housing serves as a receiver end cap and is used to attach the shoulder

626:, also chambered in 7.62×51mm, was intended for mass production. However, the design team decided to focus on the 5.56×45mm small caliber high-velocity cartridge, as it appeared the new round was gaining mainstream military approval. Eugene Stoner had previously worked with the cartridge when he designed the AR-15. The weapon system using the smaller cartridge was known as the Stoner 63. The first models were produced in February 1963. The Costa Mesa facility produced 234 Stoner 63s, when production was then moved in September 1964 to the Cadillac Gage plant in 38: 1150:: The LMG configuration fires from an open bolt and is fed from the right-hand side by linked ammunition contained in a 75, 100, 150-round drum magazine. The receiver is identical to the Rifle variants, but is inverted, so that spent cases and links are ejected to the left. The LMG has a quick-change barrel and the gas cylinder is positioned below the barrel since the receiver is inverted. The LMG configuration was adopted for military use by Navy SEAL units operating in Southeast Asia. 705:. It was basically a shock absorber (designed by Cadillac Gage Co) that eliminated the recoil bounce off the back plate. This allowed the main drive spring to control the forward velocity of the carrier. With the "rate regulator" installed the cyclic rate of the weapon was limited to about 800 rpm. This resolved the mechanical malfunctions that occurred above 1,000 rpm. In combination with the "rate regulator" changes were made to the belt feed system for better reliability. 895:

feed arm moves across the feed tray and operates a lever attached to a single set of spring-loaded pawls. These pawls move a cartridge and link over the feed tray's stop pawl from where they are positioned onto the slotted feed path and held firmly in place by a spring-powered steel plate in the top cover. The cartridge is then pushed out of its link and the empty link is discarded through the link ejection port which is held closed by a spring-loaded dust cover.

533: 928: 600:(where Armalite was also located), in convincing the company's president, Russell Baker, of the feasibility and commercial potential of his new weapons system. Russell obliged and Cadillac Gage (a subsidiary of the Ex-Cell-O Corporation) established a small arms development branch in Costa Mesa. Stoner then recruited his two principal aides at Armalite: Robert Fremont and James L. Sullivan (who would later design the 727: 807: 1117: 1187:: The Commando is a derivative of the LMG configuration. It is fed from the right by a 100-round box magazine and has the charging handle located on the bottom of the handguard for easier access. To save weight, the Commando eschews the quick-change barrel found on the other belt-fed configurations. This variant was used by some 1144:: The Automatic Rifle is an open-bolt rifle fed from a top-mounted, 30-round magazine. The front and rear sights are offset to the left to compensate for the magazine's position. The AR does not have a semi-automatic mode. The automatic rifle configuration was field tested by the USMC for a short period during 1967. 1257:

consisting of 6 variants One of the main modifications was an MP40 (later AK47) type underfolding and later side folding stock, a carbine, an assault rifle, heavy barrel assault rifle, belt fed machine gun, commando machine gun and fixed machine gun. The Stoner 63A1 was tested by the US Army and USMC

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pressing. The gas cylinder, support structures, brackets, lugs and other devices are welded in place. The front portion carries the piston and barrel and is perforated to reduce weight and improve air circulation around the barrel and gas cylinder. The rear segment holds the piston extension and bolt

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In the belt-fed configuration, belt movement is produced by a roller riding in the channeled feed arm and is actuated by the reciprocating movement of the bolt. The spring-loaded feed arm is protected by a hinged top cover and is pivoted at its rear end. As the bolt travels back, the front end of the

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which propels the reciprocating parts forward in counter-recoil with a speed only slightly below that of the original recoil velocity. The plates will function without failure for between 40,000 and 50,000 rounds (depending upon the type of ammunition used and cyclic rates employed). This feature was

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M193 projectile, which was standard at the time. At the Army's request, Cadillac Gage submitted for testing rifles, carbines, and light machine guns, with 1:9-inch (230 mm) twist barrels, respectively designated XM22E2, XM23E2, and XM207E2. The different twist was to test the 68-grain XM287 and

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buttstock being unable to withstand the 5,000+ pound recoil force of firing anti-tank grenades. With the weapon's tight weight restriction, using a heavier metal buttstock was not an option. Several ribbed designs were evaluated, but none were successful. The solution was to pressure-fill the hollow

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Many bugs affected the outcome of the Army trials of the gun: the ammunition requirements proposed were unrealistic and the weapon was expected to perform with an extremely wide range of port pressures, leaving very little power reserve with some ammunition types. For instance, the tracer ammunition

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The sight arrangement on the Stoner 63/63A differs amongst the various configurations. On the belt-fed LMGs, the rear sights are mounted on the top cover. These consist of a folding leaf aperture elevation scale graduated in 100 m increments from 200 to 1,000 m. The rear sight can also be

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Barrel interchangeability is one of the main features that provides the Stoner 63 rifle its outstanding versatility. There are 5 barrel options available for the system: the Rifle, Carbine, Automatic Rifle (AR) and two types of machine gun barrels, a standard heavy barrel and a short Commando tube.

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and front sight assembly are mounted. The barrels are equipped with a bird cage type flash suppressor with six oval ports. The AR and standard machine gun barrels also have a carrying handle that can be snapped into one of three positions or removed altogether. The black-painted wooden handles are

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to reduce weight and enhance the barrel's cooling characteristics. This version was sometimes used by the Navy SEALS but was never fully reliable as the gas port is near the muzzle and as soon as the bullet leaves the barrel, gas pressures drop drastically leaving the operating system little to no

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When fired, propellant gases from the ignited cartridge following the projectile down the bore are vented through a gas port into a gas cylinder where they drive the piston and bolt carrier rearward. There is about 0.2 in (5.1 mm) of uninterrupted free travel calculated to permit the gas

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extension, and is actuated by a conventional long-stroke piston. The radial arrangement of locking lugs distributes the firing load evenly around the bolt head and barrel socket, reducing stress and increasing the longevity of these critical components. Attached to the piston extension is the bolt

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belt carriers for use with their Stoners. The detachable magazines used in the Rifle, Carbine and Automatic Rifle models are fabricated from steel and weigh 8 oz (230 g) unloaded. In an effort to reduce weight, aluminum magazines were later developed cutting the weight down to 4 oz

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Several weapons with these improvements were produced by Cadillac Gage for testing by the Army Materiel Command. This would be the last chance for the weapon, now designated XM207. With its latest design changes, the weapon passed all tests. But soon afterwards, president Nixon announced that the

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The weapon, when cold, would fire at about 650 rounds per minute (rpm). When it was very hot, after several hundred rounds had been fired, the cyclic rate climbed as high as 1,100 rpm. The mechanical functions of the weapon just would not work properly at these high rates. There were several

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units for evaluation. However, due to its complexity and high maintenance requirements (especially when compared to the new M16), the design was rejected, and the project was dropped in 1971. That same year, Cadillac Gage ceased all production of the Stoner 63. Around 4,000 63 and 63A units were

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increments. When the primary sight is folded down, a battle sight aperture with a diameter of 0.09 in (2.29 mm) is exposed. The Rifle and Carbine versions have simple flip-type apertures with settings for 0–300 and 300–500 m contained between large perforated protective ears. The

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is a non-locking type that attaches to the gas tube; it does not pivot and has a limited height adjustment feature. The Stoner 63A bipod is extensively perforated with lightening holes and can be locked in either the stowed or deployed positions. It too does not pivot but is compatible with the

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and have a quick-detach capability and can be removed in a matter of seconds in field conditions by simply pushing down a latch located on top of the weapon in front of the feed cover and pulling the barrel forward (with the bolt retracted). The chamber portion of the barrel rests on a U-shaped

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A Navy SEAL in Vietnam keeps his Stoner 63 light machine gun at the ready while the rest of his squad prepares demolition charges on a Vietcong bunker. The weapon is fitted with a 150-round drum belt container and is fed from the left-hand side. The retracting handle is locked forward and the

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and engages a projection on the piston to draw the piston and bolt group to the rear (cocked) position. The handle should then be pushed back forward allowing a flat-spring latch riveted to the front end to capture a slotted plate welded to the front of the receiver. With the right-hand feed

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From 1969 to 1971 Cadillac Gage Co initiated a program to upgrade the Stoner 63 light machine gun due to Marine Corps interest. They were given one last chance to make design improvements and have a final test by the Army Materiel Command. Several changes were made to the weapon, soon to be

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The Stoner 63/63A LMG is an automatic weapon that fires from the open bolt and the trigger mechanism permits only fully automatic firing. The entire trigger unit has four trigger pins that give the unit its modularity. The front pin holds a flapper-type magazine catch/release (used in the

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Another issue was low gas pressure when firing tracer rounds, causing failures to cycle. The addition of an expandable steel sealing ring in the gas chamber kept the external gas leaks to a minimum, retaining enough gas pressure to cycle the action reliably. The next issue was the

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rod that rides within the piston extension's hollow interior and moves back and forth during the recoil and counter-recoil cycles, reducing bolt bounce and preventing the possibility of firing out of battery during closed bolt firing (in the Rifle/Carbine models).

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The 63A used a stack of Belleville spring washers to absorb some of the shock and bounce when the firing pin struck the primer. By changing the configuration of the washers, a higher spring rate was achieved, and this was the solution for the bulk of the misfires.

848:) and rotates the bolt 22.5° during the movement of the piston to either lock or unlock the bolt from behind the abutments in the barrel socket. Incorporated into the bolt carrier/piston group is an anti-bounce device, consisting of a 4 in (101.6 mm) 1209:

size constraints. These include a cut-down pistol grip, an absent handguard, shortened barrel and receiver, and a top-mounted cocking handle. The Survival Rifle does not incorporate the 63A upgrades. Only one prototype was ever produced—it survives to this

1132:. The rifle configuration was field tested by the USMC for a short period during April to June 1964 by a recruit company at MCRD Parris Island, SC and elsewhere in 1967. It was eventually fitted with a lightweight bipod that folded beneath the handguard. 671:

These factors severely affected the weapon's reliability. After several months of testing, the Stoner 63 system was ultimately deemed to be unacceptable for service use. The Army submitted recommendations for improvements to the design—these included a

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as the XM22 assault rifle, XM23 carbine and XM207 machine gun. Various improvements was the Dutch pattern side folding stock, quick release bipod that folded under the handguard, an improved removable magazine floor plate, a quick release scope mount.

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XM288 bullets. After NWM obtained a license to produce the Stoner 63A, some barrels were manufactured with a 1:8-inch (200 mm) in rifling pitch to be used with heavier experimental bullets. None of these were ever produced in significant numbers.

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barrel bracket attached to the gas cylinder. The barrel is firmly locked in position by means of a spring-loaded latch (with two nested coil springs) which drives a steel pin into a hole in the barrel socket. All barrels have a gas block to which a

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acquired licensing rights to manufacture and sell the weapon worldwide with the exception of the United States, Canada and Mexico. NWM assembled several prototypes but the company failed to secure any export customers and the weapon was withdrawn.

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The Stoner 63A Commando lightweight SAW optimized for SEAL teams operating in Vietnam (US service designation XM-207). It features a short, 15.7" fluted barrel to reduce weight and several other minor modifications. Replaced in 1983 by the M249

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The Stoner 63/63A is chambered for the now-standard 5.56×45mm intermediate rifle cartridge. When in the belt-fed role, the weapon would feed from a disintegrating metallic linked belt marked "S-63 BRW" which is a scaled-down version of the U.S.

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from the left or right. The gas system was mounted in different positions depending on the weapon's configuration. Due to the multi-role nature of the design the carbine and rifle versions were heavier than comparable weapons of the same type.

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finish called Endurion. Early examples of the Stoner 63 were delivered with all wood furniture, however these were soon replaced with black polycarbonate parts with the exception of the handguard, which remained wood, but was painted black.

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oriented in opposing sets of three, which absorb energy from the piston stroke by deforming into a flat plate when the bolt carrier strikes the receiver's end cap. When the plates return to their original shape they release a pulse of

1128:: A standard assault rifle fed from below by a 30-round box magazine. Spent cases are ejected to the right. The cocking handle and gas system are mounted above the barrel. Unlike the belt-fed configurations, the Rifle fires from 959:

attached to a steel rod via roll pin. With a few exceptions, all the barrels used in the Stoner 63/63A have a six-groove right-hand rifling with a twist rate of 1:12-inch (305 mm), designed to stabilize the lightweight 55-

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is also attached to the trigger housing. The checkered grip is flared at the bottom to prevent the shooter's hand from sliding off and has an internal storage compartment sealed by a hinged cover with a spring-loaded hatch.

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group. The ejection port is on the right side when the receiver is inverted and the weapon is configured as a rifle or carbine and on the left side when in the various machine gun roles. The various components are

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buttstock with a lightweight urethane foam, imparting structural rigidity and high impact strength. This solved the problem without going over the weight limit, and made the buttstock extremely durable.

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for evaluation, where it made a positive impression with its light weight and high ammunition capacity; the Marines favored the rifle and light machine gun configurations. Trials were performed by the

1138:: The Carbine is similar to the Rifle configuration, but with a shorter barrel and a folding shoulder stock. The carbine configuration was field tested by the USMC for a short period during 1967. 1170:: Internally identical to the LMG configuration. Externally, the front sights, rear sights, foregrip and pistol grip are all removed. The trigger is activated remotely by a 24V 1076:, the KCB 70, developed specifically for this rifle by the West German company Eickhorn-Solingen together with NWM and a rare bayonet made by the Swiss industrial conglomerate 676:

gas cylinder, a two-position fire selector with separate safety, ejection port dust covers and modifications to the belt feed mechanism. The upgrades resulted in the improved

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increments. All variants share the same front sight assembly—a semi-shrouded round threaded post adjustable for windage and elevation zero (similar to the M16 front sight).

763:). The Automatic Rifle configuration was deployed on a limited basis in the squad automatic role, while Lima's weapons platoon received both the LMG and MMG configurations. 1249:

Although none were manufactured in the Netherlands, around 315 were modified and improved by NWM De Kruithoorn N.V. in various configurations for possible use in the

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build-up in the bore to drop to a safe level before the carrier's cam slot rotates the bolt counter-clockwise to unlock. The locking lugs have no pitch therefore no

622:(for no other reason than when turned upside down it reads the same, symbolizing Stoner's vision of a fully invertible receiver). The follow-up design, called the 1778: 1002:

mechanism with underslung box carrier installed the handle is awkward to operate, so a special slotted forearm with a bottom cocking handle was developed.

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The Stoner 63 has a unique buffering system contained within the bolt carrier. In front of the carrier cap are a steel shim and a set of 27 saucer-shaped

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made the first purchase of the Stoner 63, ordering 25 units in various configurations. In August and September 1963, the Stoner 63 was sent to the

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The Stoner 63 was produced in several configurations, with 15 separate assemblies, which had limited parts commonality. These variants included a

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Even very early on in its development stage, a small number of weapons were hurriedly pressed into service with the U.S. Navy SEALs deployed to

634:. With the change in manufacturing plants, polycarbonate plastic was used for the stocks and grips instead of wood. The weapon is covered under 1156:: Identical to the LMG configuration. The difference is that the MMG comes with a separate adapter that can be used to attach the weapon to an 515:

was the primary manufacturer of the Stoner 63 during its history. The Stoner 63 saw very limited combat use by United States forces during the

1077: 680:, which began production in 1966. Only about 2,000 examples of the initial version were manufactured before the transition to the model 63A. 543:, 1970. The SEAL in the center of the group is carrying a Stoner 63A1 Mk 23 Mod 0 Commando with a short 15.7 in (398.8 mm) barrel. 1798: 911: 1088:. A highly successful multi-purpose tool, it evolved into the KCB 77, a modular design that was adapted to many different assault rifles. 718:

United States would be withdrawing from Vietnam, eliminating the urgency to adopt a new infantry weapon. The XM207 project was cancelled.

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earlier Stoner 63, whereas the Stoner 63 bipod will not work with the later 63A pattern guns as the gas tube is of a larger diameter.

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self-defense weapon. It is mechanically similar to the Rifle configuration, but has several external modifications made to fit into

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designated "XM207 Light Machine Gun". Misfires, high cyclic rates, jams and link separations were among the issues to be resolved.

1080:. The KCB 70 features a 7-inch (180 mm) long Bowie blade with a clip-point and an integrated wire-cutter, it was inspired by 1773: 1238: 1241:

which, though technically different, was based on the Stoner 63 design, and thus has some of its features and configurations.

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housing ejects the casing. The bolt carrier continues to the rear and compresses the captive recoil spring on its guide rod.

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The Stoner 63/63A is supplied with several accessories, including: a blank-firing attachment (BFA), winter trigger guard,

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The World's Assault Rifles By Gary Paul Johnston, Thomas B. Nelson, Chapter 67: United States, The Stoner Weapons System

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built in total. The Navy SEALs continued to use the Stoner 63 and had officially adopted the Commando version as the

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The rifle, carbine, commando, and LMG variants were all given designations by the US Military. They are as follows:

1728: 653: 116: 555:, one of the United States' most prolific modern military small arms designers, responsible for the design of the 1788: 1178: 950: 740: 20: 1738: 1188: 536: 111: 919:(110 g). Standard magazines have a 30-round cartridge capacity but a 20-round magazine was also offered. 1206: 202: 1669: 1235: 1175: 697:

problems that occurred at high RPM, including link separation. A "rate regulator" similar to that used in

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survival rifle, among others, devised a concept for a modular weapon that would be built around a common

1231: 465: 54: 751:. Riflemen were issued the weapon in the Rifle configuration (in both 63 and 63A variants, designated 592:

Stoner managed to solicit the help of Howard Carson, in charge of Cadillac Gage's West Coast plant in

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Army Weapons Command, Rock Island, Ill., Weapons Lab., 1 March 1972, Technical Report SWERR-TR72-13.

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The standard machine gun and AR barrels are 20 in (508.0 mm) in length (not including the

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used in the Stoner 63 was of such low pressure that it even failed to function reliably in the M16.

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locking mechanism with 7 radially symmetrical locking lugs that engage a series of recesses in the

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Carbine: 36.68 in (931.7 mm) stock extended/26.60 in (675.6 mm) stock collapsed

137: 1680: 1228:, which has significant changes from the older Stoner 63, being based on Stoner's later model 86. 1216:: A short-lived semi-automatic version for the civilian market. Never actually allowed to be sold. 844:

carrier which is equipped with a curved cam track that guides the bolt's cam pin (retained by the

1250: 942: 870: 866: 858: 778: 657: 1105: 877: 615: 604: 477: 462: 339: 332: 163: 69: 1405: 1400: 1062: 1058: 998: 938: 627: 532: 1587: 1548: 974: 915: 904: 698: 673: 419: 374: 664:(responsible for logistical support for the Marine Corps) at their own test facilities. 1109: 994: 927: 820: 736: 567: 556: 766:

In 1967, Dutch firm NWM (Nederlandsche Wapen-en Munitiefabriek) De Kruithoorn N.V. of

1757: 1101: 1042: 978: 882: 836: 710: 574: 563: 552: 512: 508: 469: 435: 431: 348: 192: 158: 64: 1743: 1081: 1015: 960: 739:. During 1967, the Stoner 63A system was field tested by Company L (Lima Company), 570: 425: 355: 914:, but this proved too heavy and cumbersome. SEALS would also resort to converting 1161: 1129: 1037: 1006: 981: 955: 828: 794:. By the late 1980s the Stoner 63 was completely phased out in favor of the new 774:

The Stoner 63 was also considered for the Swiss armed forces as the W+F Stgw 71

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respectively), while officers and certain other personnel received the Carbine (

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configurations by simply fitting the appropriate parts to the basic assembly.

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and certain interchangeable components and could be transformed into a rifle,

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The nucleus of the Stoner 63 system is the receiver which is a rectangular

941:). The Commando barrel has a length of 15.7 in (398.8 mm) and is 1580: 1541: 1171: 1054: 900: 861:

occurs during the unlocking sequence. A deeply seated spring-loaded claw

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http://img.photobucket.com/albums/v140/24626151/Guns/enfieldseffort.jpg

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position to prevent cook-offs and enhance cooling. The weapon has a

468:. Using a variety of modular components, it can be configured as an 1642:

Final Report of Engineering Design Tests Stoner Family of Weapons,

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is typically mounted on the right side of the receiver. It has 24

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to ensure maximum accuracy, or in machine gun mode, fire from the

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http://img.photobucket.com/albums/v140/24626151/Guns/Stoner.jpg

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Stoner 63A, Light Machine Gun configuration, 1:12 twist barrel

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and a spring-powered ejector fixed to the front feed mechanism

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The Stoner 63 series of weapons are piston driven, air-cooled,

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Stoner 63A, Light Machine Gun configuration, 1:9 twist barrel

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Stoner 63, Light Machine Gun configuration, 1:12 twist barrel

1197:: The Survival Rifle was designed in 1964 to compete with the 1085: 865:

in the bolt head extracts the spent cartridge casing from the

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ejection port closed with a dust cover to minimize dirt entry.

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Weapons Tests And Evaluations: The Best Of Soldier Of Fortune

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Weapons Tests And Evaluations: The Best Of Soldier Of Fortune

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sights are adjustable in both windage and elevation in 1

827:-fed and in rifle and carbine configuration, fire from a 424:

AR, Rifle, Carbine, Commando: 20- or 30-round detachable

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LMG, MMG, FMG, AR, Rifle: 3,250 ft/s (991 m/s)

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Stoner 63A1, Commando configuration, 1:12 twist barrel

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Stoner 63A, Carbine configuration, 1:12 twist barrel

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Stoner 63A, Carbine configuration, 1:9 twist barrel

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Stoner 63, Carbine configuration, 1:12 twist barrel

519:. A few were also sold to law enforcement agencies. 487:, or as a vehicle mounted weapon. Also known as the 311:

LMG, MMG, FMG, AR, Rifle: 20 in (508.0 mm)

1300:Stoner 63A, Rifle configuration, 1:12 twist barrel 1065:and a wide range of belt box and magazine pouches. 445: 408: 400: 392: 385:

Carbine, Commando: 3,050 ft/s (929.6 m/s)

373: 354: 338: 326: 301: 278: 249: 244: 231: 220: 212: 185: 177: 151: 146: 125: 104: 96: 91: 83: 47: 28: 1311:Stoner 63A, Rifle configuration, 1:9 twist barrel 1289:Stoner 63, Rifle configuration, 1:12 twist barrel 1057:-lined spare barrel bag, cleaning kit, 40 mm 285:LMG, MMG, AR, Rifle: 40.25 in (1,022 mm) 1749:Stoner 63, 63A, & Mk23: History and Mechanics 798:, and most of the remaining guns were destroyed. 1068:The Stoner 63/63A used three different types of 366:AR, Rifle, Carbine, Commando: 700–900 rounds/min 1424:Law Enforcement Ordnance Company 1974 brochure. 1220:The most recent descendant of this line is the 781:designated the light machine gun configuration 314:Carbine, Commando: 15.7 in (398.8 mm) 1469: 1467: 1465: 1463: 886:designed to extend the weapon's service life. 654:Marines Corps Landing Force Development Center 648:On March 4, 1963, the Department of Defense's 1523: 1521: 1519: 1461: 1459: 1457: 1455: 1453: 1451: 1449: 1447: 1445: 1443: 618:and completed in 1962. It was designated the 614:The first working prototype was chambered in 8: 42:Stoner 63 configured as a light machine gun 1794:Military equipment introduced in the 1960s 810:Drawing of Stoner 63 Modular Weapon System 25: 1268: 1174:. The FMG was designed for use with the 1115: 805: 1417: 434:(post–Vietnam War model, rare, used by 291:Commando: 35.95 in (913.1 mm) 262:Commando: 10.50 lb (4.76 kg) 256:LMG, MMG: 11.68 lb (5.30 kg) 1486:(New York: Berkley Books, 2004), 290. 7: 993:The hooked, non-reciprocating steel 271:Carbine: 7.75 lb (3.52 kg) 1779:Assault rifles of the United States 1717:. Boulder, CO: Paladin Press. 1994. 1181:, but was never officially adopted. 1014:and then coated with a black baked 363:LMG, MMG, FMG: 700–1,000 rounds/min 294:FMG: 30.38 in (771.7 mm) 268:Rifle: 7.90 lb (3.58 kg) 19:For the Mark 23 Mod 0 pistol, see 14: 1784:Machine guns of the United States 650:Advanced Research Projects Agency 609:Chartered Industries of Singapore 259:FMG: 10.31 lb (4.68 kg) 1739:Robinson Arms page on M96 rifles 1660:. Access Date: 14 February 2008 1590:. Access Date: 21 February 2008 1566:] Engineer, Cadillac Gage Co 1551:. Access Date: 21 February 2008 1437:, page 160. Paladin Press, 2001. 1154:Stoner 63/63A Medium Machine Gun 393:Effective firing range 265:AR: 10.19 lb (4.62 kg) 36: 1239:M96 Expeditionary Weapon System 1168:Stoner 63/63A Fixed Machine Gun 1148:Stoner 63/63A Light Machine Gun 949:All Stoner 63/63A barrels are 539:pose for a photo somewhere in 415:LMG, MMG, FMG: Disintegrating 401:Maximum firing range 221: 1: 1764:5.56×45mm NATO assault rifles 1709:. Boulder, CO: Paladin Press. 1560:R. Zeiss. Principle [ 1142:Stoner 63/63A Automatic Rifle 237: 227:Approx. 4,000 (both versions) 1799:Long stroke piston firearms 1769:5.56×45mm NATO machine guns 1036:corrected for windage in ¼- 1815: 1581:The 5.56 X 45mm: 1967–1969 1542:The 5.56 X 45mm: 1963–1966 430:LMG: 75-, 100-, 150-round 117:United States Marine Corps 21:Heckler & Koch Mark 23 18: 16:NATO modular weapon system 1484:Weapons of the Navy SEALs 1272:US Army/USMC Designation 1226:Knight's Armament Company 1191:units in the Vietnam War. 792:Mark 23 Mod 0 machine gun 321: 198:Knight's Armament Company 84:Place of origin 35: 1715:Stoner 63 Weapons System 1658:Stoner 63 Survival Rifle 1214:Stoner 66 Civilian Rifle 1195:Stoner 63 Survival Rifle 785:and issued it to select 537:United States Navy SEALs 112:United States Navy SEALs 1774:Squad automatic weapons 1734:Mongo's Stoner 63A Page 1705:Kokalis, Peter (2001). 1654:Mongo's Stoner 63A Page 1207:United States Air Force 1189:United States Navy SEAL 505:Mk 23 Mod 0 machine gun 1744:Forgotten Weapons page 1577:A 5.56X45mm "Timeline" 1538:A 5.56X45mm "Timeline" 1185:Stoner 63/63A Commando 1176:Cadillac Gage Commando 1121: 933: 811: 732: 544: 485:squad automatic weapon 356:Rate of fire 203:NWM De Kruithoorn N.V. 75:Squad automatic weapon 1232:Robinson Armament Co. 1136:Stoner 63/63A Carbine 1119: 930: 809: 729: 701:was installed in the 662:Army Materiel Command 637:U.S. patent 3,198,076 535: 507:, it was designed by 466:modular weapon system 55:Modular weapon system 1575:Watters, Daniel E. 1536:Watters, Daniel E. 1275:US Navy Designation 1120:Stoner 63A side-view 1072:: the standard U.S. 511:in the early 1960s. 375:Muzzle velocity 1126:Stoner 63/63A Rifle 1061:, several types of 815:Operating mechanism 787:Army Special Forces 749:1st Marine Division 745:1st Marine Regiment 547:Soon after leaving 138:Invasion of Grenada 1601:"Automatwaffen II" 1586:2007-05-04 at the 1547:2007-02-18 at the 1251:Dutch Armed Forces 1234:also produced the 1122: 1106:light machine guns 1012:phosphate finished 934: 903:developed for the 878:Belleville washers 859:primary extraction 812: 733: 545: 147:Production history 1392: 1391: 1110:linked ammunition 1084:bayonets for the 605:light machine gun 478:light machine gun 455: 454: 205:(prototypes only) 164:L. James Sullivan 70:Light machine gun 1806: 1789:Modular firearms 1718: 1710: 1692: 1689: 1683: 1678: 1672: 1667: 1661: 1651: 1645: 1639: 1633: 1630: 1624: 1621: 1615: 1614: 1612: 1611: 1597: 1591: 1573: 1567: 1558: 1552: 1534: 1528: 1525: 1514: 1511: 1505: 1502: 1496: 1493: 1487: 1482:Dockery, Kevin. 1480: 1474: 1471: 1438: 1433:Kokalis, Peter: 1431: 1425: 1422: 1406:Ares Shrike 5.56 1401:Colt Machine Gun 1269: 1059:grenade launcher 999:lightening holes 939:flash suppressor 768:'s-Hertogenbosch 639: 409:Feed system 223: 100:1963–1983 (U.S.) 40: 31: 26: 1814: 1813: 1809: 1808: 1807: 1805: 1804: 1803: 1754: 1753: 1729:Modern Firearms 1725: 1713: 1704: 1701: 1696: 1695: 1690: 1686: 1679: 1675: 1668: 1664: 1652: 1648: 1640: 1636: 1631: 1627: 1622: 1618: 1609: 1607: 1605:schussfreude.ch 1599: 1598: 1594: 1588:Wayback Machine 1574: 1570: 1559: 1555: 1549:Wayback Machine 1535: 1531: 1526: 1517: 1512: 1508: 1503: 1499: 1494: 1490: 1481: 1477: 1472: 1441: 1432: 1428: 1423: 1419: 1414: 1397: 1264: 1247: 1094: 1051: 1033: 995:charging handle 991: 970: 925: 912:NAWS China Lake 892: 817: 804: 724: 699:M60 machine gun 674:stainless steel 646: 635: 530: 525: 441: 420:ammunition belt 388: 369: 322: 317: 297: 274: 208: 173: 142: 121: 97:In service 92:Service history 79: 43: 29: 24: 17: 12: 11: 5: 1812: 1810: 1802: 1801: 1796: 1791: 1786: 1781: 1776: 1771: 1766: 1756: 1755: 1752: 1751: 1746: 1741: 1736: 1731: 1724: 1723:External links 1721: 1720: 1719: 1711: 1700: 1697: 1694: 1693: 1684: 1673: 1662: 1646: 1634: 1625: 1616: 1592: 1568: 1553: 1529: 1515: 1506: 1497: 1488: 1475: 1439: 1426: 1416: 1415: 1413: 1410: 1409: 1408: 1403: 1396: 1393: 1390: 1389: 1386: 1383: 1379: 1378: 1375: 1372: 1368: 1367: 1364: 1361: 1357: 1356: 1353: 1350: 1346: 1345: 1342: 1339: 1335: 1334: 1331: 1328: 1324: 1323: 1320: 1317: 1313: 1312: 1309: 1306: 1302: 1301: 1298: 1295: 1291: 1290: 1287: 1284: 1280: 1279: 1276: 1273: 1263: 1260: 1246: 1245:Dutch variants 1243: 1236:semi-automatic 1218: 1217: 1211: 1199:Colt Model 608 1192: 1182: 1165: 1151: 1145: 1139: 1133: 1104:, and various 1093: 1090: 1050: 1047: 1032: 1029: 1022:The Stoner 63 990: 987: 969: 966: 924: 921: 891: 888: 816: 813: 803: 802:Design details 800: 737:Southeast Asia 723: 720: 684:XM207 upgrades 645: 642: 616:7.62×51mm NATO 568:ArmaLite AR-10 564:assault rifles 557:ArmaLite AR-15 529: 526: 524: 521: 463:5.56×45mm NATO 453: 452: 447: 443: 442: 440: 439: 428: 422: 412: 410: 406: 405: 402: 398: 397: 394: 390: 389: 387: 386: 383: 379: 377: 371: 370: 368: 367: 364: 360: 358: 352: 351: 342: 336: 335: 333:5.56×45mm NATO 330: 324: 323: 319: 318: 316: 315: 312: 308: 306: 299: 298: 296: 295: 292: 289: 286: 282: 280: 276: 275: 273: 272: 269: 266: 263: 260: 257: 253: 251: 247: 246: 245:Specifications 242: 241: 233: 229: 228: 225: 218: 217: 214: 210: 209: 207: 206: 200: 195: 189: 187: 183: 182: 179: 175: 174: 172: 171: 169:Robert Fremont 166: 161: 155: 153: 149: 148: 144: 143: 141: 140: 135: 129: 127: 123: 122: 120: 119: 114: 108: 106: 102: 101: 98: 94: 93: 89: 88: 85: 81: 80: 78: 77: 72: 67: 62: 57: 51: 49: 45: 44: 41: 33: 32: 15: 13: 10: 9: 6: 4: 3: 2: 1811: 1800: 1797: 1795: 1792: 1790: 1787: 1785: 1782: 1780: 1777: 1775: 1772: 1770: 1767: 1765: 1762: 1761: 1759: 1750: 1747: 1745: 1742: 1740: 1737: 1735: 1732: 1730: 1727: 1726: 1722: 1716: 1712: 1708: 1703: 1702: 1698: 1688: 1685: 1682: 1677: 1674: 1671: 1666: 1663: 1659: 1655: 1650: 1647: 1643: 1638: 1635: 1632:Dockery, 310. 1629: 1626: 1623:Dockery, 316. 1620: 1617: 1606: 1602: 1596: 1593: 1589: 1585: 1582: 1578: 1572: 1569: 1565: 1564: 1557: 1554: 1550: 1546: 1543: 1539: 1533: 1530: 1524: 1522: 1520: 1516: 1513:Dockery, 293. 1510: 1507: 1504:Dockery, 294. 1501: 1498: 1495:Dockery, 291. 1492: 1489: 1485: 1479: 1476: 1470: 1468: 1466: 1464: 1462: 1460: 1458: 1456: 1454: 1452: 1450: 1448: 1446: 1444: 1440: 1436: 1430: 1427: 1421: 1418: 1411: 1407: 1404: 1402: 1399: 1398: 1394: 1387: 1384: 1381: 1380: 1376: 1373: 1370: 1369: 1365: 1362: 1359: 1358: 1354: 1351: 1348: 1347: 1343: 1340: 1337: 1336: 1332: 1329: 1326: 1325: 1321: 1318: 1315: 1314: 1310: 1307: 1304: 1303: 1299: 1296: 1293: 1292: 1288: 1285: 1282: 1281: 1277: 1274: 1271: 1270: 1267: 1261: 1259: 1256: 1252: 1244: 1242: 1240: 1237: 1233: 1229: 1227: 1223: 1215: 1212: 1208: 1204: 1200: 1196: 1193: 1190: 1186: 1183: 1180: 1177: 1173: 1169: 1166: 1163: 1159: 1155: 1152: 1149: 1146: 1143: 1140: 1137: 1134: 1131: 1127: 1124: 1123: 1118: 1114: 1111: 1107: 1103: 1102:assault rifle 1099: 1091: 1089: 1087: 1083: 1079: 1075: 1071: 1066: 1064: 1060: 1056: 1048: 1046: 1044: 1039: 1030: 1028: 1025: 1020: 1017: 1013: 1008: 1003: 1000: 996: 988: 986: 983: 980: 979:polycarbonate 976: 967: 965: 962: 957: 952: 947: 944: 940: 929: 922: 920: 917: 913: 909: 906: 902: 896: 889: 887: 884: 883:strain energy 879: 874: 872: 868: 864: 860: 854: 851: 847: 842: 838: 834: 830: 826: 822: 814: 808: 801: 799: 797: 793: 788: 784: 780: 777:In 1970, the 775: 772: 769: 764: 762: 758: 754: 750: 746: 742: 741:3rd Battalion 738: 728: 721: 719: 715: 712: 711:polycarbonate 706: 704: 700: 694: 690: 686: 685: 681: 679: 675: 669: 665: 663: 659: 655: 651: 643: 641: 638: 633: 629: 625: 621: 617: 612: 610: 606: 603: 599: 595: 590: 588: 584: 580: 576: 575:Armalite AR-7 572: 569: 565: 562: 558: 554: 553:Eugene Stoner 550: 542: 538: 534: 527: 522: 520: 518: 514: 513:Cadillac Gage 510: 509:Eugene Stoner 506: 502: 498: 496: 490: 486: 483: 479: 475: 471: 470:assault rifle 467: 464: 460: 451: 448: 444: 437: 433: 432:drum magazine 429: 427: 423: 421: 418: 414: 413: 411: 407: 403: 399: 395: 391: 384: 381: 380: 378: 376: 372: 365: 362: 361: 359: 357: 353: 350: 349:rotating bolt 346: 343: 341: 337: 334: 331: 329: 325: 320: 313: 310: 309: 307: 304: 300: 293: 290: 287: 284: 283: 281: 277: 270: 267: 264: 261: 258: 255: 254: 252: 248: 243: 240: 239: 234: 230: 226: 219: 215: 211: 204: 201: 199: 196: 194: 193:Cadillac Gage 191: 190: 188: 184: 180: 176: 170: 167: 165: 162: 160: 159:Eugene Stoner 157: 156: 154: 150: 145: 139: 136: 134: 131: 130: 128: 124: 118: 115: 113: 110: 109: 107: 103: 99: 95: 90: 87:United States 86: 82: 76: 73: 71: 68: 66: 65:Assault rifle 63: 61: 58: 56: 53: 52: 50: 46: 39: 34: 27: 22: 1714: 1706: 1699:Bibliography 1687: 1676: 1665: 1653: 1649: 1641: 1637: 1628: 1619: 1608:. Retrieved 1604: 1595: 1576: 1571: 1561: 1556: 1537: 1532: 1527:Kokalis, 163 1509: 1500: 1491: 1483: 1478: 1473:Kokalis, 161 1434: 1429: 1420: 1385:Mk 23 Mod 0 1278:Description 1265: 1262:Designations 1254: 1248: 1230: 1224:produced by 1219: 1213: 1194: 1184: 1167: 1153: 1147: 1141: 1135: 1125: 1095: 1067: 1052: 1034: 1021: 1004: 992: 977:. The black 971: 968:Fire control 951:gas nitrided 948: 935: 897: 893: 875: 855: 818: 791: 782: 776: 773: 765: 760: 756: 752: 734: 716: 707: 695: 691: 687: 683: 682: 677: 670: 666: 647: 623: 619: 613: 591: 571:battle rifle 546: 504: 500: 494: 492: 488: 458: 456: 426:box magazine 345:Gas-operated 305: length 236: 186:Manufacturer 105:Used by 1255:Stoner 63A1 1162:M122 tripod 1130:closed bolt 1049:Accessories 1007:sheet metal 982:pistol grip 956:bayonet lug 837:rotary bolt 829:closed bolt 620:Stoner M69W 602:Ultimax 100 587:machine gun 585:or various 528:Development 517:Vietnam War 450:Iron sights 224: built 133:Vietnam War 1758:Categories 1656:. 2005. 1610:2023-01-08 1412:References 1222:Stoner LMG 846:firing pin 722:Deployment 678:Stoner 63A 598:California 594:Costa Mesa 476:, top-fed 396:200–1000 m 30:Stoner 63 863:extractor 833:open bolt 779:U.S. Army 703:buttstock 624:Stoner 62 459:Stoner 63 328:Cartridge 216:1963–1971 1584:Archived 1545:Archived 1395:See also 1371:XM207E2 1360:XM207E1 1172:solenoid 1108:feeding 1092:Variants 1070:bayonets 1055:asbestos 989:Features 901:M13 link 825:magazine 796:M249 SAW 658:Quantico 632:Michigan 607:for the 579:receiver 549:ArmaLite 482:belt-fed 238:Variants 232:Variants 213:Produced 178:Designed 152:Designer 1338:XM23E2 1327:XM23E1 1305:XM22E2 1294:XM22E1 1253:as the 1203:aircrew 1098:carbine 890:Feeding 871:trigger 867:chamber 850:carbide 583:carbine 541:Vietnam 523:History 503:or the 474:carbine 60:Carbine 1349:XM207 1201:as an 1082:Soviet 1063:slings 1031:Sights 1016:enamel 943:fluted 923:Barrel 841:barrel 757:XM22E1 644:Trials 628:Warren 446:Sights 404:2653 m 340:Action 303:Barrel 279:Length 1316:XM23 1283:XM22 1100:, an 1024:bipod 975:stock 961:grain 783:XM207 501:XM207 461:is a 436:SEALs 1382:N/A 1374:N/A 1363:N/A 1352:N/A 1341:N/A 1330:N/A 1319:N/A 1308:N/A 1297:N/A 1286:N/A 1210:day. 932:SAW. 908:GPMG 821:belt 761:XM23 755:and 753:XM22 573:and 497:XM23 493:XM22 457:The 250:Mass 235:See 181:1963 126:Wars 48:Type 1579:. 1563:sic 1540:. 1179:APC 1160:or 1086:AKM 1078:SIG 1043:MOA 1038:mil 916:RPD 905:M60 823:or 656:at 611:). 561:M16 489:M63 417:M27 222:No. 1760:: 1603:. 1518:^ 1442:^ 1158:M2 1074:M7 747:, 743:, 640:. 630:, 596:, 566:, 551:, 499:, 495:, 491:, 480:, 472:, 347:, 1613:. 1164:. 559:/ 438:) 23:.

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