Machined from 6061-T6 aluminum the X-RING barrel has been designed to make your Ruger® 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 rifled chromoly steel liner with a polished 11 degree crown. Optional threads allow 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. – **X-Ring Barrels are compatible with the Ruger® SR-22 Rifle. – Weight: 15oz – Length: 16.5 – O.D.(outside diameter): .920 – Threads: 1/2×28 – Twist: 1:16 – Silver