This AR15 A2 Delta Ring Barrel Nut Assembly from Black Dirt Rifleworks is manufactured in the U.S. to military specifications and comes fully assembled, ready use on your new upper receiver or as an excellent replacement for your worn out part. The barrel nut is machined firearm quality tool steel, heat treated and finished with a mil-spec phosphate surface treatment. The delta ring is machined from aerospace grade 6061-T6 aluminum and given a cold applied hard coat anodize finish to give it years of durability and reliable service. The assembly is complete a black oxide finished weld spring and snap ring.
- Manufactured to meet or exceed U.S. military specifications
- Comes fully assembled and ready for use