Barrel - 10.5" heavy contour barrel stainless steel. Hardened to 26-32 rc and stress releived, pistol gas system. Chambered in 300 aac blackout. 1-7 rh twist button rifled. .750 under gas block. Barrel is finished off with stainless steel compensator and crush washer. M4 feedramps.
A3 ..
300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber!
Barrel - 16" 416 stainless steel hbar contour barrel. Hardened to 26-32 rc and stress releived. Chambered in 300 blackout. 1-7 rh ..
300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber!
Barrel - 16" 416 stainless steel hbar contour barrel. Hardened to 26-32 rc and stress releived. Chambered in 300 blackout. 1-7 rh ..
300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber!
Barrel - 16" 416 stainless steel hbar contour barrel. Hardened to 26-32 rc and stress releived. Chambered in 300 blackout. 1-7 rh ..
300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber! Barrel - 16" 416 stainless steel hbar contour barrel. Hardened to 26-32 rc and stress relieved. Chambered in 300 blackout. 1-7 rh twist...
300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber!
Barrel - 16" 416 stainless steel hbar contour barrel, straight fluted. Hardened to 26-32 rc and stress releived. Chambered in..
