- Full Name
- Atchisson Assault Shotgun 12 (AA-12)
- Ammunition Capacity
- 20-round drum magazine or 8-round box magazine
- Type
- Fully Automatic Shotgun
- Bullet Caliber Size
- 12 gauge shotshell
- Fire Rate
- Approximately 300 rounds per minute
- Effective Range
- 100 meters for area targets, 40 meters for point targets
- Manufacturer
- Originally designed by Maxwell Atchisson; various manufacturers over the years including Military Police Systems, Inc.
- Design History
- First designed in 1972; various updates and iterations since
- Weight
- Around 11 pounds (5 kilograms) unloaded
- Barrel Length
- About 18 inches (457 mm)