Threaded Ruger 10/22 Accuracy Barrel Blue (.920) Our EABCO Threaded 10/22 Accuracy Barrels have threaded muzzles to fit the Tactical Solutions 10/22 Muzzle Brake. Custom thread protectors are included... Order muzzle brakes separately. This is a premium 18", blue 10/22 barrel in the full, non-tapered .920" heavy match profile, and delivers accuracy at an economical price. (EABCO Accuracy Barrels are famous for their precision and accuracy). Use this barrel installed on your Ruger 10/22 "as is" with the thread protector screwed on the muzzle or, you can remove the thread protector and screw on a muzzle brake for increased muzzle stability, accuracy potential, and faster follow-up shots (order the brake separately). The threaded muzzle is 1/2x28 tpi and the custom thread protector is included. See all of our barrels and accessories at our Ruger 10/22 Home Page.