.223 Rem | 5.56 NATO

Springfield Armory

Springfield Armory SPG SA920556BA2 5.56x45mm NATO Semi-Auto Rifle with 20-inch Barrel and A2 Fixed Stock

Springfield Armory

Springfield Armory ST VICTR 556 16-inch Rifle with 30+1 Capacity and B5 Enhanced SOPMOD Stock

Springfield Armory

Springfield Armory STV916556CBV2B5 ST Victor 5.56 NATO Rifle with 16-inch Barrel, Ambidextrous Safety and B5 SOPMOD Stock

Springfield Armory

Springfield Armory STV916556TV2B5 St. VICTR 5.56 NATO Rifle with 16-Inch Barrel and B5 SOPMOD Stock

Springfield Armory

Springfield Armory STV916556BCAV2 ST VICTR 5.56 NATO 16-inch Rifle with B5 Enhanced SOPMOD Stock