BEAR CREEK BC-15 REAR CHARGING
6.5 Grendel, .450 Bushmaster, or 5.56 NATO cal., carbine, mid-, or rifle length gas system, 16, 18, or 20 in. CMV or SS M4 barrel w/black nitride or parkerized finish, flash hider, upgraded stock, pistol grip, 15 in. M-LOK handguard, forged...