by Shooting Illustrated Staff posted on October 31, 2010 Guns Support NRA Shooting Illustrated DONATE ** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** STI Tactical 4.15 In this article .45 ACP, self-defense, semi-auto handguns, STI Related Stories STI Sentinel Premier Gallery K2 Semi-Auto Pistol imported by EAA Gallery Detonics Combat Master Evolution Gallery Kimber Custon Crimson Carry II Gallery Regent .45 ACP 1911 Gallery Most Popular Top 5 'Budget-Priced' .50 BMG Rifles First Look: Smith & Wesson Model 1854 Lever-Action Rifle in 360 Buckhammer 10 Budget-Priced .22 Rifles Under $200 Handguns: Carry Rotation Downside Shotguns: Cleaning Tips for Your Shotgun Greatest Defensive Semi-Automatic Shotguns