This PROOF Research pre-fit carbon fiber barrel is for the Daniel Defense Delta 5 rifle. 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.
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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
