The LBE AR-15 Castle Nut is made of 4140 steel and has a Magnesium Phosphate finish. Made in the USA.
- Finish:
- Manganese Phosphate
- Manufacturer:
- LBE Unlimited
- Manufacturer Part No.:
- ARCNUT
- Model:
- Castle Nut
- Model**:
- AR15
- Type:
- Castle Nut
- Sub Category:
- Long Gun Parts
