.223 Rem | 5.56 NATO

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 RM40016BTRDV2COIL M400 Semi-Auto Rifle with 16-Inch Barrel and Magpul SL-K Stock

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

Patriot Ordnance Factory (POF)

Patriot Ordnance Factory POF 00856 Renegade Plus 5.56 NATO Rifle with 16.5-inch Barrel and 30+1 Capacity

Ruger

Ruger Mini-14 Tactical Rifle with 16.12-Inch Threaded Barrel in 5.56 NATO - Model 5889

Ruger

Ruger Mini-14 Tactical Rifle with Threaded Barrel and Matte Stainless Finish - Part Number 5819

Armalite

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

B&T Firearms

B&T Firearms APC Pro 5.56x45mm NATO Rifle with 16.5-inch Threaded Barrel and Ambidextrous Features

Colt

Colt LE6920-EPRII-PRO Enhanced Patrol Rifle in 5.56 NATO with 16.3-inch Barrel

Ruger

Ruger Rug 28601 Harrier 5.56 NATO Rifle with 16.3-Inch A2 Stock