.223 Rem | 5.56 NATO

Sig Sauer

Sig Sauer M400 SDI 5.56 NATO Rifle with 16-inch Threaded Barrel and Magpul SL Stock

FN

FN 36100683 FN15 DMR3 Semi-Auto Rifle with 18-inch Barrel in 5.56 NATO, Tungsten Gray Receiver

Diamondback Firearms

Diamondback DB1889K001 5.56 NATO DB15 Rifle with 16-inch Threaded Barrel and Magpul Stock

Diamondback Firearms

Diamondback DB1784K131 5.56 NATO DB15 Rifle - 16-inch Barrel with Flat Dark Earth Cerakote Finish and Magpul MOE K2 FDE Grip

Colt

Colt Mfg LE6920OEM1 M4 Carbine 5.56 NATO with 16.10" Barrel and Muzzle Brake

Colt

Colt Mfg LE6920OEM2 M4 Carbine 5.56 NATO - 16.10" Barrel, Black Finish, No Furniture

FN

FN 36318 Military Collector M4 Rifle in 5.56x45mm NATO with 16-Inch Barrel and Collapsible Stock

FN

FN 36320 M16 Military Collector 5.56x45mm NATO Semi-Auto Rifle with 20-Inch Barrel and Black Finish

Bersa

Bersa BAR15RMFT AR-15 Rifle with 16-inch Barrel, 30+1 Capacity, Optics Ready

Bersa

Bersa BAR15RMGP AR-15 Rifle with 16-Inch Barrel, Magpul Stock, and Optics Ready Features

Ruger

Ruger AR-556 MPR 5.56x45mm NATO Rifle with 18-Inch Barrel and Magpul SL Stock

Daniel Defense

Daniel Defense DDM4 V7 5.56 NATO Rifle with 16-inch Threaded Barrel and Ambidextrous Safety