The LBE AR-15 Castle Nut is made of 4140 steel and has a Magnesium Phosphate finish. Made in the USA.
Features:
- Fits AR-15
- Castle Nut
- Made in the USA
Specifications:
- Finish: Manganese Phosphate
- Manufacturer Part #: ARCNUT
- Model: AR-15
- Model: AR15
- Model: Castle Nut
- Subcategory: Long Gun Parts
- Type: Castle Nut