.223 Rem | 5.56 NATO

Springfield Armory

Springfield Hellion 5.56mm Bullpup Semi-Automatic Rifle with 16-Inch Barrel

Springfield Armory

Springfield Hellion .223 Remington Bullpup Semi-Automatic Rifle with 16-Inch Barrel and 30-Round Capacity

Ruger

Ruger AR-556 300 Blackout with Magpul MOE SL Stock and Desert Verde Finish

Ruger

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

Ruger

Ruger AR-556 Model 08540 Semi-Automatic Rifle with 18-Inch Barrel and Magpul MOE SL Stock

Ruger

Ruger AR-556 MPR 5.56 NATO Rifle with 18-Inch Barrel, Black Finish, and 30-Round Magazine

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&P 15 Sport III AR-15 Rifle with 16-Inch Barrel and Collapsible Stock

Smith & Wesson

Smith & Wesson M&P 15 III AR-15 Rifle with 16-Inch Barrel, 10-Round Capacity, Black Finish

Smith & Wesson

Smith & Wesson M&P15 Sport III AR-15 Rifle with Collapsible Stock and Mini Red-Dot Sight

Smith & Wesson

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