Proof Research PR10 .308 Win Barrel, 18" Stainless Steel 1:10 Twist 5/8-24 - 100677

This is a complete AR-10 rifle barrel chambered in .308 Winchester with an 18-inch length and 1:10 twist rate. The barrel features a .750-inch gas journal diameter, rifle-length gas system, and 5/8-24 muzzle threading for sound suppressors or other muzzle devices. Stainless steel construction provides excellent durability and corrosion resistance.