Faxon Firearms Rimfire Barrel, Straight Fluted Bull Profile, 22LR, 16" Threaded Barrel, 1/2X28 Thread Pitch, 1:16 Twist Rate, Recessed Target Crown, 6 Groove Rifling, Fits 10/22, Non-Takedown, Nitride Finish, Black 12B216N16FHQ-T