Product Description
This is our standard AR-15 carbine buffer tube/receiver extension castle nut in matte black. It fits both Mil-Spec and commercial tubes.
Features:
- 4140 Tool Steel construction
- Fits: AR-15
- Finish Cerakote Lemon Yellow
This is our standard AR-15 carbine buffer tube/receiver extension castle nut in matte black. It fits both Mil-Spec and commercial tubes.
Features: