This is the brand new OPEN SIGHT .920 target/bull barrel for the Ruger 10/22 by Tactical Solutions. If you are looking for extreme accuracy and a super light barrel, look no further! This barrel is 16.5” in length, threaded, and is fluted. It is made of 6061-T6 billet aluminum. Liner is chromoly steel with a polished 11 degree crown for extreme accuracy. It will greatly improve the accuracy of your rifle even when using bulk .22lr ammo. This X-ring Open Sight barrel comes with an adjustable rear sight and green fiber optic front sight. Twist is 1:16.