.223 Rem | 5.56 NATO

Diamondback

Diamondback DB Barrel 16-Inch .223/5.56 Carbine-Length Heavy Profile Barrel, 1:8 Twist, Nitride Finish

Diamondback

Diamondback 16-Inch .223/5.56 Black Nitride Carbine-Length Barrel

Diamondback

Diamondback 5.56 NATO 16-Inch M4 Profile Barrel, 1:8 Twist

Diamondback

Diamondback 16-Inch .223/5.56 Mid-Length Medium Profile Barrel

Diamondback

Diamondback 5.5-Inch .223/5.56 Pistol-Length Heavy Barrel, 1:8 Twist, Black Nitride

Diamondback

Diamondback 7-Inch .223/5.56 Pistol-Length Heavy Barrel, 1:8 Twist, Black Nitride

Diamondback

Diamondback .223/5.56 10-Inch Carbine-Length Medium Profile Barrel, 1:8 Twist, Black Nitride