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 on-site.

 Barrel with FSB, gas tube, and delta Ring assembly.

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: Govt Profile
• Barrel Gas System: Mid-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!