DETAILS, FICTION AND COLT 9MM UPPER

The top in the bolt carrier groups. The best could be the standard 5.56mm bolt provider group. Observe the bolt, cam pin along with the carrier key. On the bottom is the 9mm SMG bolt group.The Colt SMG fires from a closed bolt, is provided using a collapsible buttstock, and is easily area stripped with no have to have of any Unique equipment. The s