25:
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contained 25 flechettes. Tips of the flechettes are exposed in the
Federal cartridges, but concealed by a conventional star crimp in Western cartridges. Flechettes had flatter trajectory over longer ranges than spherical buckshot, but combat effectiveness did not justify continued production.
215:
cartridges proved more resistant to moist field conditions and the repeated loading and unloading during patrols and watches when no ammunition was fired. Some of these early brass cartridges had an unusual saw-tooth crimp.
275:. Initial production was in the same red plastic cases, but the visibility advantage for sporting use was a liability in jungle warfare; so later production used cases of a subdued green color.
295:
to maintain alignment with the bore axis, and supported by a metal disk to prevent penetration of the over-powder wad during acceleration down the bore. Cartridges manufactured by
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contained twenty flechettes 18.5 millimetres (0.73 in) long and weighing 7.3 grains (0.47 g) each. The flechettes were packed in a plastic cup with granulated white
35:
239:
Plastic shotgun shells devised following World War II were equally durable and water resistant as the earlier brass cartridges and had the additional advantages of
271:
cartridge, and advantages of a larger number of smaller No. 4 buckshot pellets were evident for some situations. These loadings were designated:
398:
199:
demonstrated a need for standardized weapons and ammunition. Initial issue with each shotgun was one hundred commercial-production paper-cased
183:. Early 12-gauge popularity for sporting purposes produced a large number of repeating firearms designs readily adaptable to military purposes.
49:
of the topic and provide significant coverage of it beyond a mere trivial mention. If notability cannot be shown, the article is likely to be
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through the 20th century has created a need for ammunition maximizing the combat effectiveness of such weapons within the limitations of
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has been widely accepted as an appropriate bore diameter to provide an effective number of projectiles within an acceptable
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loaded 00 buckshot into the same red plastic cases being used for sporting ammunition and was designated:
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553:"Auto Assault-12 (AA-12) Full-Auto Machine Shotgun/FRAG-12 High-Explosive Round Combo/Weapon System!"
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Combat experience in
Vietnam suggested two improvements. Heavy bullet preferences dating back to the
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cartridges among 21st-century loads. Slugs from these 2.75 in (7.0 cm) cartridges have a
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287:" were issued on a limited trial basis during the Vietnam war. Cartridges manufactured by
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251:. The shells were typically packaged as twelve ten-round cardboard boxes within a metal
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pellets 0.33 inches (8.4 mm) in diameter. These cartridges became wet in the muddy
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environment; and swelled paper cases would no longer chamber reliably. Full-length
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production of full-length brass cartridges containing 00 buckshot was designated
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between 1,590 ft (480 m) and 1,770 ft (540 m) per second.
343:(HEAP) and high explosive fragmenting antipersonnel (HEFA) used by the AA-12
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ammunition under consideration by military forces. Coming in three variants:
284:
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371:
Canfield, Bruce N. (March 2002). "Combat
Shotguns of the Vietnam War".
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328:
146:
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468:
Canfield, Bruce N. (July 2015). "Vietnam-Era
Military Shotshells".
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Please help to demonstrate the notability of the topic by citing
18:
443:(Second ed.). Boca Raton, Florida: CRC Press. p.
249:
Shell, shotgun, plastic case, 12 gauge, No. 00 buck, XM162
483:"U.S. Navy Awards Remington 12-Ga. Ammunition Contract".
420:
Canfield, Bruce N. (May 2004). "Give Us More
Shotguns!".
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were re-evaluated considering combat experience with the
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Shell, shotgun, plastic case, No. 4 buck, special, XM257
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While shotguns had been used in earlier conflicts, the
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resistance and lower cost. Initial production for the
493:(4). National Rifle Association of America: 25. 2024.
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Shell, shotgun, brass, 12 gauge, No. 00 buckshot, M19
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Plastic cases loaded with small steel darts called "
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36:notability guidelines for products and services
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534:"High Explosive: Innovations in Ammunition"
121:Learn how and when to remove this message
16:Military use of combat shotgun cartridges
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401:from the original on 25 September 2022
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532:Beachey, Anthony (12 January 2011).
512:Marine Corps Warfighting Laboratory
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331:is experimental military shotgun
347:and potentially other shotguns.
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514:. 5 August 2005. Archived from
435:Di Maio, Vincent J.M. (1999).
70:"Military 12-gauge cartridges"
1:
551:Crane, David (15 June 2005).
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43:reliable secondary sources
32:The topic of this article
345:Atchisson Assault Shotgun
297:Federal Cartridge Company
289:Western Cartridge Company
161:2.75 inches (7.0 cm)
34:may not meet Knowledge's
265:Philippine–American War
339:(HE), high explosive
377:: 44–47 & 92–95.
600:Military cartridges
571:"The AA-12 shotgun"
505:"FRAG-12 Factsheet"
203:containing nine 00
158:Overall length
595:Shotgun cartridges
394:GlobalSecurity.org
310:United States Navy
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521:on 13 April 2008.
486:American Rifleman
470:American Rifleman
422:American Rifleman
374:American Rifleman
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269:5.56Ă—45mm NATO
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314:rifled slug
245:Vietnam War
197:World War I
47:independent
589:Categories
389:"Shotguns"
351:References
285:flechettes
279:Flechettes
81:newspapers
55:redirected
312:included
241:corrosion
45:that are
424:: 58–63.
399:Archived
205:buckshot
137:12-gauge
575:YouTube
333:grenade
329:FRAG-12
147:Shotgun
95:scholar
59:deleted
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181:recoil
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51:merged
519:(PDF)
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472:: 44.
213:brass
177:gauge
175:. 12-
102:JSTOR
88:books
57:, or
449:ISBN
407:2022
308:The
304:A023
259:M257
235:M162
143:Type
74:news
491:172
445:320
220:M19
195:of
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