ROCK RIVER ARMS LAR-BT9G (BT-9) MID-LENGTH A4
9mm Para. cal., gas block w/receiver height sight base, 16 in. CM barrel, A2 flash hider, SST, integral winter trigger guard, 6-pos. tactical CAR stock, Hogue rubber grip, extruded aluminum A4 upper and LAR-BT9G billet aluminum lower with G...