Ruger Precision Rimfire, Bolt Action Rifle, 22 LR, 18 Threaded Barrel, Black Finish, Molded One-piece Chassis, Adjustable Buttstock, 15Rd, 1 Magazine, Right Hand 08400 The Ruger Precision Rimfire features a Quick-Fit adjustable Precision Rimfire stock that allows length of pull and comb height to be quickly and easily adjusted.