by Guy J. Sagi posted on January 23, 2011 Guns Support NRA Shooting Illustrated DONATE Chiappa Firearms Mfour-22 Pistol In this article .22, Chiappa, Picatinny rail, semi-auto handguns Related Stories Chiappa Firearms 1911-22 Tactical Walther SP22 M1 Gallery Ruger 22/45 Threaded Barrel Ruger SR22 ISSC-Austria to Ship M22 Pistol in Olive Drab Most Popular New Guns for 2024 The Beginner's Guide To Defensive Knives Tech Wisdom: Plastic Training Ammunition? Reloading On The Fly The Age-Old Debate Best Barrel Length for a Shotgun?