Gas Port Diameter: .750″

All Daniel Defense barrels are made from start to finish in their state-of-the-art facility located in Black Creek, GA. In keeping with their heritage of not cutting corners, all barrels feature a forged chamber, chrome lining, and heavy phosphate exterior coating. They are all MP tested at the Daniel Defense facility. 

Materials & Construction

• Barrel Material: Chrome Moly Vanadium Steel
• Barrel Type: Cold Hammer Forged
• Barrel Caliber: 5.56 NATO
• Barrel Twist: 1:7
• Barrel Length: 16″
• Barrel Profile: M4 Profile
• Barrel Gas System: Carbine Length
• Inside Finish: Chrome Lined
• Outside Finish: Military Specification Heavy Phosphate Coated
• Muzzle Thread: 1⁄2×28 TPI (Threads Per Inch)
• Gas Port Diameter: .750″
• Barrel Extension: A4
• Made in the USA!