.223 Rem | 5.56 NATO

Diamondback

Diamondback DB15 5.56 NATO Rifle with 16-Inch Barrel and Bronze Finish

Diamondback

Diamondback DB15 5.56 NATO AR-15 Rifle with 16-Inch Barrel and 30-Round Magazine

Diamondback

Diamondback Carbon DB15 Rifle 16-inch 5.56 NATO with Tiger Stripe Camo Finish

Springfield Armory

Springfield Hellion Model HL920556BLC-GU25 5.56mm Bullpup Semi-Automatic Rifle with 20-Inch Barrel

Springfield Armory

Springfield Armory Hellion 556 18 10-Round Magazine Black for Firearm Model HL918556BLC-GU25

Springfield Armory

Springfield Hellion Model HL916556GLC-GU25 5.56mm Bullpup Semi-Automatic Rifle with 16-inch Barrel in Olive Drab Green

Springfield Armory

Springfield Hellion Model HL916556F-GU25 5.56mm Bullpup Semi-Automatic Rifle in Flat Dark Earth

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 Harrier AR-15 Rifle with 16.1-Inch Barrel, 30-Round Capacity, and Collapsible Stock

Ruger

Ruger Harrier AR-15 Rifle with 16.1-inch Barrel and Magpul Stock

Ruger

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