Brownells AR15/M4 Buttstock Kit
February 24, 2015
Fits any standard AR-15 rifle or carbine lower receiver. Kit includes buffer tube, receiver lock plate, lock nut, toe-mounted steel sling loop, carbine recoil spring and buffer. Made from fiberglass-reinforced, injection-molded nylon and the steel lock nut has four square notches and pre-cut detents for staking to lock plate.