.223 Rem | 5.56 NATO

Sig Sauer

Sig Sauer M400 V2 5.56 NATO Semi-Auto Rifle with 16-Inch Threaded Barrel and Magpul SL-K Stock

Sig Sauer

Sig Sauer M400 V2 5.56 NATO Semi-Auto Rifle with 16-Inch Barrel and Magpul SL-K Stock

Sig Sauer

Sig Sauer M400 5.56 NATO Semi-Auto Rifle with 16-Inch Stainless Steel Barrel and Magpul SL-K Stock

Sig Sauer

Sig Sauer M400 Semi-Auto Rifle with 16-Inch Barrel and Magpul SL-K Stock

Diamondback

Diamondback 5.56 NATO AR-15 Rifle with 16-Inch Barrel, Black with Prison Pink Accents

Heckler & Koch (HK USA)

HK MR556 A4 Semi-Auto Rifle with 16.5-inch Threaded Barrel, Black M-LOK Handguard, and Ambidextrous Safety

Heckler & Koch (HK USA)

HK MR556 A4 Semi-Auto Rifle with 16.5-inch Threaded Barrel in Black, Part Number 81000828

Armalite

ArmaLite M15LTC16 M-15 Light Tactical Carbine in 5.56 NATO with 16-Inch Barrel

Diamondback

Diamondback 5.56 NATO AR-15 Rifle with 16-inch Threaded Barrel and B5 Bravo Stock

Springfield Armory

Springfield Armory HL916556FLC Hellion 5.56 NATO 16-Inch Bullpup Rifle with Adjustable Stock and Ambidextrous Safety

Springfield Armory

Springfield Armory HL916556GLC Hellion 5.56 NATO 16-inch Bullpup Rifle with Adjustable Stock and Ambidextrous Safety

Diamondback

Diamondback 5.56 NATO DB15 Carbon Series Rifle with 16-Inch Threaded Barrel and Adjustable Stock