Description: *Video courtesy of and copyright owned by Discovery Communications*
[Part 1 of 2]
Mack travels to Blackwater Worldwide's firearms training facility to test fire a combat auto-shotgun...
Description: The Atchisson Assault Shotgun, also known as, Auto Assault-12 (AA-12) was a firearm first developed in 1972 by Maxwell Atchisson. It served as the basis...
Description: AA12 Automatic Shotgun firing High Explosive Frag-12 shells. Shows impact against a steel plate. This is the first video I have seen of this weapon...