by Shooting Illustrated Staff posted on October 29, 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. ** DPMS Panther 3G1 In this article 5.56x45 mm, DPMS, semi-auto rifles Related Stories DPMS Sportical Gallery Benelli MR1 Gallery DPMS Panther Sportical DPMS Panther LR-204 Gallery DPMS Tac-2 Most Popular Back to the Basics: The .22 LR Lever-Action Rifle Comfortable and Reliable Revolver Carry Essential Practice: Malfunction Drills Rifles: Building a Rifle from a Kit First Look: Ruger Red Label III Shotgun First Look: Big Horn Armory Tactical Model 89 Takedown Lever Gun