WASR-ten rifle with no bump stock equipped Bump stocks or bump fireplace stocks are gun stocks that may be utilized to aid in bump firing, the act of using the recoil of the semi-automatic firearm to fire cartridges in fast succession. This overestimates its value, but also fails to comprehend https://machguns.com/product/lot-1496-rock-island-armory-m60-machine-gun-class-iii-nfa/