Ruger 10/22 Takedown, 22LR, 16.1 Barrel, Satin Black Finish, Black Synthetic Stock, w/Carry Case, Heavy Barrel Fluted and Threaded, 10Rd 21133 The legendary 10/22 action, a tried and true Ruger design, ensures consistent, reliable performance. An Easy-to-use extended magazine release provides smooth, no-fuss removal of flush-mounted magazines and the Cold hammer-forged barrel is locked into the receiver by a unique, two-screw, V-block system.