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 Tech Wisdom: .300 Ka-Boom Marines Ditch 100-Year-Old Marksmanship Standards Affordable Firepower: Five Budget-Friendly AR-15s Review: Springfield Armory 1911 TRP 4.25-inch CC 10 Budget-Priced .22 Rifles Under $200 Getting Serious: Stepping Up Your Marksmanship Skills