.223 Rem | 5.56 NATO

Ruger

Ruger AR-556 Model 8500 5.56 NATO Semi-Auto Rifle with 16.10-inch Threaded Barrel and Collapsible Stock

Springfield Armory

Springfield Armory Hellion SPG HL916556B 5.56x45mm NATO Bullpup Rifle with 16-Inch Barrel and Adjustable Stock

Smith & Wesson LE

Smith & Wesson LE M&P15A 5.56 NATO 16-inch Semi-Auto Rifle with Black Finish and Tactical Features

Smith & Wesson LE

Smith & Wesson LE M&P15 MOE 16-inch 5.56 NATO Semi-Automatic Rifle with Magpul Stock and Black Armornite Finish

Smith & Wesson LE

Smith & Wesson LE M&P15X 5.56 NATO Semi-Automatic Rifle with 16-Inch Barrel, Black Finish

Sig Sauer

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

Smith & Wesson

Smith & Wesson M&P15 Sport III 5.56 NATO Rifle with 16-Inch Barrel and Fixed Stock

Sig Sauer

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

Sig Sauer

Sig Sauer RMCX556N16BLTB MCX 5.56 NATO 16-Inch Barrel Rifle with 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&P15 Sport II OR Rifle 5.56x45mm NATO, 16-Inch Barrel, Black - Part #12055

Smith & Wesson

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