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 10 Reasons to Consider the .22 for Personal Defense Five Great .38 Special Revolvers Carry Small But Shoot Big: A Round-Up of Popular Micro Compact Pistols A Gift 10 Budget-Priced .22 Rifles Under $200 Top 5 'Budget-Priced' .50 BMG Rifles