The LBE AR-15 Castle Nut is made of 4140 steel and has a Magnesium Phosphate finish.
Features:
- Fits: AR-15/AR-10
- Manganese Phosphate Coated
- 4140 Steel
MADE IN USA
The LBE AR-15 Castle Nut is made of 4140 steel and has a Magnesium Phosphate finish.
Features:
MADE IN USA
