- AA12 Atchisson Assault Shotgun
The AA12 can fire five 12-guage shells per second. It can also fire a high explosive called FRAG-12 round to 175 meters with equal efficiency. Its coil being well engineered, it is extremely easy to use and can also be triggered with one hand. Designed for long tern combat, it can fire many rounds without jamming and is one of the best weapons that the US military has.