Criterion Barrels AR-10 Barrel Hybrid Contour 6.5 Creedmoor 20 inch Rifle Length 1-8 Twist Nitride Finish Black 1020S65-HYR-N. 62x51 NATO and .308 Win ammunition and the chamber is optimized for heavier longer bullets. Criterion Barrels crafted...
Criterion Barrels AR-10 Barrel Hybrid Contour 6.5 Creedmoor 20 inch Rifle Length 1-8 Twist Nitride Finish Black 1020S65-HYR-N. 62x51 NATO and .308 Win ammunition and the chamber is optimized for heavier longer bullets. Criterion Barrels crafted...