The Auto Assault-12 (AA-12) shotgun (originally designed and known as the Atchisson Assault Shotgun) is a firearm that was first developed in 1972 by Maxwell Atchisson. The weapon can fire in semi-automatic or fully automatic mode at 300 rounds per minute (5 every second) and has a magazine of 32 rounds - either a standard box, or a drum magazine. Due to the abundant use of stainless steel, and the loose manufacturing allowed in a shotgun, the weapon requires zero cleaning or lubrication.
It is designed to fire three different types of 3" 12 gauge shells: Buckshot, slug, or Frag-12 rounds. There are three members of the FRAG-12 munition family: the FRAG-12 High Explosive (HE), FRAG-12 High Explosive Fragmenting Antipersonnel (HEFA, or HE-FA), and FRAG-12 High Explosive Armor-Piercing (HEAP, or HE-AP). Combining the FRAG-12 with the new Auto Assault-12 (AA-12) shotgun, which fires full-auto at 300 rpm (rounds-per-minute) would REALLY transform the combat capability for infantry combat shotguns.
The projectile arms after firing once it reaches 3 meters from the muzzle, and detonates on impact with the target. The FRAG-12 HE projectile, for instance, is designed to punch a one-inch diameter hole through 1/4-inch cold rolled steel plate, have a maximum effective range of 200 meters (200m), and reliably cycle/function in both gas-operated and recoil-operated tactical/combat shotguns. 200m is an impressive effective range for a 12-gauge tactical shotgun employed/deployed in infantry combat/urban warfare environments. The FRAG-12 HE-AP round incorporates a shaped charge to allow it to penetrate 1/2-inch steel armor plate.
It is designed to fire three different types of 3" 12 gauge shells: Buckshot, slug, or Frag-12 rounds. There are three members of the FRAG-12 munition family: the FRAG-12 High Explosive (HE), FRAG-12 High Explosive Fragmenting Antipersonnel (HEFA, or HE-FA), and FRAG-12 High Explosive Armor-Piercing (HEAP, or HE-AP). Combining the FRAG-12 with the new Auto Assault-12 (AA-12) shotgun, which fires full-auto at 300 rpm (rounds-per-minute) would REALLY transform the combat capability for infantry combat shotguns.
The projectile arms after firing once it reaches 3 meters from the muzzle, and detonates on impact with the target. The FRAG-12 HE projectile, for instance, is designed to punch a one-inch diameter hole through 1/4-inch cold rolled steel plate, have a maximum effective range of 200 meters (200m), and reliably cycle/function in both gas-operated and recoil-operated tactical/combat shotguns. 200m is an impressive effective range for a 12-gauge tactical shotgun employed/deployed in infantry combat/urban warfare environments. The FRAG-12 HE-AP round incorporates a shaped charge to allow it to penetrate 1/2-inch steel armor plate.
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