Now All Tubes Include T-numbers Engraved On The Slots When Ordered.

Notice to owners of DPMS 308 guns: The new uppers on your guns is about .060” lower from centerline of barrel than earlier models. The E1 or earlier rail systems will not mate up or align to the top of your upper receiver. Please be aware of this before ordering a rail system.

A low profile gas block will need to be added to the parts.You will need to mount either the AR10 Carbine or the AR10 rifle E1 rails, as the gas system is shorter on the DPMS guns.