Chiappa Firearms M1-22, Semi-automatic Rifle, 22lr, 18 Barrel, Blue Finish, Wood Stock, Fully Adjustable Rear Sight, Dovetail Rail for Scope Mount, 10 Rounds, 2 Magazines 500.082 These handy easy to shoot rifles have the same overall dimensions, trigger group design and sights as the original, but are chambered in the affordable .22LR. The receivers have a dovetail to accept their picatinny rails sold separately. The straight blowback design makes them ultra-reliable and easy to clean and maintain.