.223 Rem | 5.56 NATO

Springfield Armory

Springfield SA-16 A2 5.56 Rifle - 20 Inch Barrel, Semi-Automatic, 30 Rounds

Spike's Tactical

Spike's Tactical 16 Midlength AR-15 Rifle in White with Threaded Barrel

Spike's Tactical

Spike's Tactical 16 Midlength AR-15 Rifle with Rose Gold Finish, Model STR5735-CM3F-PRG

Spike's Tactical

Spike's Tactical A2 Retro Rifle 20-inch Barrel in Black for 223 Remington