.223 Rem | 5.56 NATO

Smith & Wesson

Smith & Wesson M&P 15 Sport III Rifle with 16-Inch Barrel and Mini Red-Dot Sight

Smith & Wesson

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

Smith & Wesson

Smith & Wesson M&P15 AXE 5.56 NATO Rifle with Collapsible Stock and Gemtech Upper

Smith & Wesson

Smith & Wesson M&P15 Sport II OR Rifle 5.56x45mm NATO, 16-Inch Barrel, Black - Part #12055

Smith & Wesson

Smith & Wesson M&P15 AXE PC 13986 5.56 NATO Rifle with 16.1-Inch Threaded Barrel and Magpul Stock

Smith & Wesson

Smith & Wesson M&P15 Sport II Rifle - 16-Inch Barrel, 223 Rem/5.56 NATO, Black Finish