PROOF BARREL DD DD5 DROP IN 6.5CM 20in 8T 4 GROOVE 5/8-24 CF

This PROOF Research pre-fit carbon fiber barrel is for the Daniel Defense DD5 AR-10. The Daniel Defense pre-fit barrels will arrive threaded chambered and ready for installation.

By designing carbon fiber barrels specifically for the Daniel Defense Delta 5 and DD5 Proof has made it easy for individuals to swap barrels on their rifle.