AA-12/Atchisson Assault Shotgun

AA-12/Atchisson Assault Shotgun

Type  :   Combat shotgun
Place of gin: United States
Production history

Designer  :   Maxwell Atchisson, further developed by Military Police Systems, Inc.
Designed     :original 1972
2005 MPS version
Manufacturer  ::   GWA[citation needed]
Produced    : soon to be confirmed[citation needed]
Specifications
Weight   :  5.2 kg less magazine. 7.3 kg with loaded 32-round drum (original version)
Length    : 991 mm
Barrel length :    457 mm
Cartridge    : 12 Gauge
Action   :  Selective fire, forced gas blowback operated
Rate of fire  :   300 rounds per minute
Muzzle velocity  :   350 m/s (1,100 ft/s)
Effective range    : 100 m (12 gauge slug)
Maximum range   :  200 m (FRAG-12 ammunition)[1]
Feed system   :  8 rounds in box magazine, 20 or 32 rounds in drum magazines
Sights   :  Iron sight, 2x zoom optical scope