The AA-12 (Auto Assault - 12), originally designed and known as the Atchisson Assault Shotgun, is a fully automatic combat shotgun developed in 1972 by Maxwell Atchisson.

Aug 8, 2018 · You can choose from versions with the iconic, original A-frame iron sights or the Picatinny rail on a riser that replaced them. 20-round drum and 8-round box magazines will be …

The AA-12 is a 12 gauge shotgun with a 3” chamber and feeds from single-stack 8 round detachable box magazines as well as 20 and 32 round drum magazines. Being a full-auto-only …

Oct 31, 2019 · Atchisson’s original design in 1972 was a full-auto only, open-bolt, blowback-operated shotgun chambered for 2 3/4″ buckshot or rifled slugs and fed from an 8-shot …

Feb 1, 2017 · The AA-12 can fire from a 10-round detachable box magazine or a 20- or 32-round ammunition drum, attaining a rate-of-fire up to 300 rounds-per-minute while having almost no …

Jul 10, 2021 · The eight-round box magazine and 20-round drum are the two most common options we’ve seen in AA-12 shotguns. That full auto-only approach also uses an open bolt. …

Sep 10, 2018 · Aside from its transition from full-auto to a semi-auto design, Sol Invictus Arms intends to launch two separate models — the original with tall sights and a second version with …

Jul 21, 2023 · No one is suppressing with a shotgun. The limited source of ammunition certainly isn’t helping. The AA-12 used 8-round box magazines, or 20 or 32-round drums, which are …

Jul 24, 2007 · I've googled, but I at least don't think I've ever seen a 32 drum mag for the AA12. I've seen pictures of the 20 round ones but never one containing 32. Are they a lot bigger than …

Ammunition feed was from detachable magazines, either 5-round boxes or 20-round drums. To provide the necessary support for the heavy drum magazines during recoil, this gun was …