Diamondback Barrels 556NATO 16" 1:9 Twist Black Nitride Finish Carbine Length Gas System Medium

Diamondback Barrels, Barrel, 556NATO, 16", 1:9 Twist, Black Nitride Finish, Carbine Length Gas System, Medium

Chambered in 5.56mm

Gas System: Carbine-Length

Length: 16"

Contour/Profile: Medium

Material: 4150 Chrome Moly

Coating: Black Nitride

Twist: 1:9

Thread: 1/2 x 28

Rifling: Button Rifled 6-Groove Bore

M4 Feed Ramps

11 degree Target Crown



Diamondback Barrels manufacture the finest, 100% American made barrels and components in the industry.

Enter your ZIP code for an exact shipping cost on this item. Hazardous-materials fees, where they apply, are included in the total shown.

Read our full shipping policy

Firearms must ship to a licensed dealer (FFL), who completes the transfer and the required background check when you collect the item.

How FFL transfers work · Terms of sale · Product and legal restrictions