This replacement threaded Barrel 18" for the Ruger 10/22 is a HEAVY BULL BARREL, .920 diameter, OAL 18", 4140 chrome moly blue steel, twist 1:16, , BULL Barrel Contour, CNC Threaded 1/2 x 28 TPI (.400 length of thread) and comes with black plastic thread protector. 3.05 lbs. (No ship to DC)
Model: Ruger 10/22