Machined from 6061-T6 aluminum, the X-RING.22LR premium barrel upgrade has been designed to make your Ruger(R) 10/22 rifle lighter and significantly more accurate. The X-Ring barrel fits all Ruger 10/22 receivers and most aftermarket 10/22 style receivers. Accuracy is enhanced by a chromoly steel liner and a 11 degree target crown. The threaded muzzle allows for an easy addition of a TacSol suppressor or compensator. With plenty of color options, you will have no issues finding a barrel to match your custom rifle. Features : 15oz weight 1/2X28 thread pitch "1:16" rifling,