Rossi RS22, Semi-automatic Rifle, 22 LR, 18 Threaded Barrel, Matte Finish, Black, Synthetic Stock, Adjustable Fiber Optic Sights, 10 Rounds, 1 Magazine RS22L1811-TH The Rossi RS22 is a reliable and accurate semi-automatic rimfire rifle with blowback action. The textured synthetic Monte Carlo stock is perfectly mated to an 18" free-float barrel for outstanding balance and feel. Offered in .22 LR the RS22 features fully adjustable fiber optic sights, 10 round detachable magazine, and the receiver has a 3/8" dovetail to accept scope mounts.