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M6 Aircrew Survival Weapon

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M6 Aircrew Survival Weapon
Original USAF M6 Survival Rifle/Shotgun
TypeCombination gun
Place of originUnited States
Service history
In service1952–1970s
Used byUnited States Air Force
Production history
ManufacturerIthaca Gun Company, Springfield Armory, Inc.
Specifications
Mass4.5 lb (2.0 kg)
Length28.27 in (718 mm) overall, 15 in (380 mm) folded
Barrel length14 in (360 mm)
Cartridge.22 Hornet
.410 bore shotgun
Barrels2
Actionbreak action
Muzzle velocity2,740 ft/s (840 m/s) (.22 Hornet)
1,130 ft/s (340 m/s) (.410 bore)
Maximum firing range109 yd (100 m) (.22 Hornet)
27 yd (25 m) (.410 bore)
SightsIron

The M6 Aircrew Survival Weapon was a specially-made .22 Hornet over .410 bore combination gun issued to United States Air Force aircrews to help forage for food in the event of a plane crash.[1] It was issued from 1952 until the early 1970s, in conjunction with the M4 Survival Rifle. Plans to replace both with the ArmaLite AR-5 (aka: MA-1) never came to fruition and in 2018 was instead replaced with the GAU-5A Aircrew Self Defense Weapon in some instances.[2]

History

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The M6 was originally developed in 1946 for the Air Materiel Command of what was then still the United States Army Air Forces by the United States Army Ordnance Corps. Its official designation was Rifle-Shotgun, Survival, Caliber .22/.410. It was designed to fit into the standard USAAF (later USAF) survival kit issued to all pilots flying over the Arctic and other uninhabited regions.

Design

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The M6 is made of stamped sheet steel, with a forged steel removable barrel assembly. The barrel assembly is connected to the stock/action group by means of a removable hinge pin. Unlike nearly all other firearms, there is no "furniture" on the M6 like a butt stock or a forearm, the only parts which are not steel are the rubber butt plate and cheek rest. Aircrew were instructed to wrap the barrels with parachute cord as a field expedient fore-stock.[3][4]

The M6 was a superposed ("over-under") combination gun, with a .22 Hornet rifle barrel located above the .410 bore shotgun barrel. It has 14-inch barrels and folds in half to a minimum size of 15 inches.[5] A storage compartment in the stock held nine rounds of .22 Hornet ammunition with four shotgun shells.[6] A firing pin selector allowed the shooter to choose which barrel would be fired.[5] Because most bomber crews operated in the Arctic region during the Cold War, a trigger bar was used that could be depressed while wearing mittens as opposed to a conventional trigger.[5] The M6 was never intended as a weapon with which to engage hostile troops. Instead it was designed so that a downed aircrew could forage for wild game, as well as defend themselves from more hostile wildlife. Its rifle element was considered to be accurate up to 200 yards. Overall weight of the initial version, including stored ammunition, was around 3 pounds.

Other versions

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Springfield M6 Scout

Being a military firearm, the originals were sold only to the US military.[7]

The Springfield Armory M6 Scout is virtually identical to the original M6 and was made in three versions, a .22 Hornet over .410 gauge, a .22 Long Rifle over .410 gauge and a .22 Magnum over .410 gauge.[4] The Scouts were also made with 18.25" barrels to comply with the National Firearms Act. The later models had large oversized trigger guards[8] and Picatinny rails for mounting a wide range of sights and scopes.

In 2010, Chiappa began marketing a version of the Aircrew Survival Weapon called the Chiappa M6 Survival Gun. The Chiappa has a 12 gauge shotgun or 20 gauge barrel over a .22 Long Rifle or .22 Magnum barrel.[9] In addition, it comes with "X Caliber" adapters sleeves that fit inside the 12 gauge barrel allowing it to fire: .380 ACP, 9mm Luger, .38 Special, .357 Magnum, .40 S&W, .44 Special, .44 Magnum, .45 ACP, .45 Long Colt, .410 bore and 20 gauge ammunition.[10] It has a similar appearance to the original M6, however it's a unique design that uses a skeletonized metal buttstock that surrounds a polypropylene foam insert. It also uses double triggers and an enclosed firing mechanism.

In 2019, a version began to be produced by TPS Arms. While very similar to the Springfield version, it added a cross bolt safety and removed the hammer selector safety.[11]

See also

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References

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  1. ^ https://www.thefirearmblog.com/blog/2014/09/23/original-m6-aircrew-survival-rifle/ The Original M6 Aircrew Survival Rifle
  2. ^ "The Air Force is arming pilots with this longer-range, stand-off rifle to use if they're ever shot down". 28 June 2018. Retrieved 2020-09-14.
  3. ^ McCann, John D. (31 December 2013). Build the Perfect Survival Kit. Iola, Wisconsin: F+W Media. pp. 198–199. ISBN 978-1-4402-3805-5.
  4. ^ a b http://www.oldjimbo.com/survival/v-shrake/m6.html Archived 2021-04-25 at the Wayback Machine The M6 Survival System
  5. ^ a b c Thompson, Leroy (20 August 2013). US Combat Shotguns. Bloomsbury Publishing. p. 28. ISBN 978-1-78096-016-6.
  6. ^ http://www.military-today.com/firearms/m6.htm M6 Aircrew survival weapon
  7. ^ "Military Survival Rifles". Archived from the original on September 4, 2007. Retrieved 2007-09-20.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
  8. ^ S. P. Fjestad. Blue Book of Gun Values, 13th Ed. Blue Book Publications.
  9. ^ https://www.chiappafirearms.com/f.php?id=35 Archived 2019-03-11 at the Wayback Machine Chippa M6 Survival Gun
  10. ^ Cassell, Jay (6 October 2015). Shooter's Bible: The World's Bestselling Firearms Reference. Skyhorse Publishing. p. 777. ISBN 978-1-5107-0192-2.
  11. ^ "TPS Arms, LLC - Powered by Network Solutions". TPS Arms, LLC. Retrieved 2019-06-24.
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