2A Armament Builder Series Aluminum Castle Nut
- Machined from 6061-T6 aluminum
- Hardcoat anodized
- Lightening cuts
2A Armament is not just another firearms manufacturer. They are committed to exceptional craftsmanship and quality in the products they make. State of the art manufacturing paired with hand finishing of every part result in firearms with unmatched fit and finish.
Ratings & Reviews
Nice look, no staking notches...
by Morgan C.
Great look, great finish. Only reason for the 4/5 is due to the lack of staking notches.