Rise Armament AR Complete Upper .22 ARC 18 Barrel

Rise Armament Complete Upper Features The 18-inch barrel is optimized with a 1:7 twist rate to stabilize a wide range of .22 ARC projectiles ensuring consistent accuracy at long distances. Its A 1/2"x28 thread pitch allows for the addition of suppressors or other muzzle devices. The lightweight 15.25-inch handguard provides ample space for M-LOK accessories enhancing modularity and adaptability. The rifle-length gas system ensures smooth and reliable operation reducing recoil for improved c