Cimarron Pistolero, Single Action Only, 9MM, 3.5 Barrel, Steel, Nickel Finish, Walnut Grips, Fixed Sights, 6 Rounds PPP9MMN3.5 The Pistolero is a single action 9MM revolver with a 3.5" barrel that features a stunning nickel finish and smooth walnut grips. With a front blade sight and a rear notched frame, the pistolero will be you next favorite single action revolver in your collection.