.223 Rem | 5.56 NATO

Smith & Wesson

Smith & Wesson M&P15 Sport III 5.56 NATO AR-15 Rifle with Collapsible Stock and 16-inch Barrel

Smith & Wesson

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

Springfield Armory

HELLION 5.56 BLK 16" 10+1 LOW PROFILE FLIP UP SIGHTS

Springfield Armory

Springfield Armory Hellion 5.56 NATO Bullpup Rifle with 18-Inch Barrel and Adjustable Stock

Springfield Armory

Springfield Armory Saint Victor V2 Pistol Rifle in 5.56 NATO with Collapsible Stock

Springfield Armory

Springfield Armory Saint Victor V2 Rifle 5.56 NATO with Folding Stock and Magpul Magazines

Springfield Armory

Springfield Armory Saint Victor V2 5.56 NATO Rifle with Collapsible Stock and 4 Magpul Magazines

Springfield Armory

Springfield Armory Saint Victor V2 5.56 NATO Rifle with Magpul PMAGs and B5 Systems Stock

Ruger

Ruger AR-556 MPR 5.56mm Black Rifle with Collapsible Stock and M-LOK Handguard

Smith & Wesson

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

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 Saint 5.56 NATO AR-15 with 16-Inch M-LOK Handguard and Black Trinity Force Breach Blade Stock