.223 Rem | 5.56 NATO

Springfield Armory

Springfield SA-16 A2 5.56 Rifle - 20 Inch Barrel, Semi-Automatic, 30 Rounds

Spike's Tactical

Spike's Tactical A2 Retro Rifle 20-inch Barrel in Black for 223 Remington

Ruger

Ruger AR-556 MPR with 18-Inch Carbon Fiber Barrel in Gray

Smith & Wesson

Smith & Wesson M&P15 AXE Performance Center 5.56 Rifle with Suppressor Compatibility

Smith & Wesson

Smith & Wesson M&P 15 AXE Rifle - 16.1-inch Barrel, 30 Rounds, Black

Smith & Wesson

Smith & Wesson M&P15 AXE PC 5.56 Gray Rifle with Collapsible Stock and Gemtech Upgrades

Sig Sauer

Sig Sauer RM400SDI16BP M400 X-Series 5.56x45mm Rifle with 16-Inch Barrel and Magpul SL-K Stock

Sig Sauer

Sig Sauer M400 SDI 5.56 NATO Semi-Auto Rifle with 11.5-Inch Barrel, Black Finish

Armalite

ArmaLite M153GN13 M-15 Competition Rifle in 223 Wylde with 13.5-Inch Barrel and Adjustable Stock

Smith & Wesson

Smith & Wesson M&P15T II Limited Edition AR-15 Rifle with Engraved Finish, 16-inch Barreled, 5.56 NATO, Black Magpul Stock

Smith & Wesson LE

Smith & Wesson LE M&P15T .223 Rem/5.56 NATO Semi-Auto Rifle with 16-Inch Barrel and Troy Battle Sights

Springfield Armory

Springfield Armory SPG SA920556BA2 5.56x45mm NATO Semi-Auto Rifle with 20-inch Barrel and A2 Fixed Stock