The Tactical Solutions X-RING Open Sight Barrel is a lightweight and highly accurate .22 LR rifle barrel for the Ruger 10/22 Thompson/Center T/CR22 rifles Tactical Solutions X-Ring semi-automatic .22 rifles and for Tactical Solutions X-Ring .22LR receivers. This barrel upgrade represents what TacSol is known for in the .22LR aftermarket barrel industry; lightweight highly accurate and easy-to-install barrels. This barrel dramatically increases accuracy performance and reliability. It is machined from 6061-T6 aluminum with a 0.920 diameter target contour profile. The rear sight is fully adjustable for windage and elevation and the front sight has a highly visible fiber optic that results in fast target acquisition. Suppressors are easily attached by simply twisting them on the barrels X 28 threaded end. Hand-chambered for 22 LR with a target crown and chromoly bore the X-RING Open Sight Barrel upgrade is everything you could ask for in a .22LR barrel.