83: NIB Rossi Model RS22 in 22 Mag with 21" Barrel. This semi-auto rifle operates on a blowback action and features a. free float barrel, one 10 round detachable magazine, a Weaver scope base, black synthetic Monte Carlo stock, crossbolt safety, dovetail scope base and a matte black finish, The gun us brand new in its original box with paperwork. Estimated Value: Low: $350 High: $450