.223 Rem | 5.56 NATO

Diamondback Firearms

Diamondback Firearms DB15 5.56 NATO Rifle with Collapsible Stock and M-LOK Rail

Seekins Precision

Seekins Precision DMR 5.56mm Black Rifle with 18-inch Barrel

Bushmaster

Bushmaster M4 Patrolman Rifle 5.56 NATO with Collapsible Stock and Binary Trigger

Savage Arms

Savage Arms MSR 15 Recon 2 5.56mm Rifle with Magpul MOE Stock and 30-Round Magazine

Daniel Defense

Daniel Defense DDM4 V7 5.56 NATO Rifle with Collapsible Stock and Mil-Spec+ Finish

Bushmaster

Bushmaster M4 Patrolman Rifle 5.56 NATO with Magpul MOE Furniture

Daniel Defense

Daniel Defense DD4 RIII 5.56mm Semi-Auto Rifle with 14.5-Inch Barrel and Collapsible Stock

Keltec

Keltec RDB20 5.56mm Rifle with Green Synthetic Stock and Birdcage Flash Hider

Diamondback Firearms

Diamondback Firearms Carbon DB15 Rifle 16-Inch 5.56 NATO with M-LOK Rail and Magpul Stock

Diamondback Firearms

Diamondback Firearms DB171BK141 Carbon DB15 Rifle in 5.56 NATO with White Cerakote Finish and Magpul Stock

Daniel Defense

Daniel Defense DDM4 V9 5.56mm Rifle with Collapsible Stock and Magpul Sights

Daniel Defense

Daniel Defense DDM4 V7 5.56mm Rifle with 16-Inch Barrel and M-LOK Rail