by Shooting Illustrated Staff posted on February 28, 2011 Guns Support NRA Shooting Illustrated DONATE Barrett REC7 in 5.56 NATO In this article AR, AR-15, Barrett, Magpul, semi-auto rifles Related Stories Barrett REC7 in 5.56 NATO Barrett REC7 Chambered in 5.56 NATO Gallery The Truth About Pistons Yankee Hill Machine Desert Enforcer Colt Match Target M4 Gallery 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 Five Great 1911s for Concealed Carry