by Shooting Illustrated Staff posted on October 29, 2010 Guns Support NRA Shooting Illustrated DONATE DPMS Sportical In this article 5.56x45 mm, DPMS, semi-auto rifles Related Stories DPMS Panther 3G1 Gallery Benelli MR1 Gallery DPMS Panther Sportical DPMS Panther LR-204 Gallery DPMS Tac-2 Most Popular Straight Talk: Street Safety How Short is Too Short? First Look: CZ Shadow 2 Compact It's a Tactical Problem Review: Smith & Wesson FPC Carbine Holster Evolution