The Castle Nut is constructed of 4140 steel with a phosphate coating. It is compatible with your AR-15.
| Brand | LBE Unlimited |
| Category | Screws & Nuts |
| Model | Castle Nut |
| Finish | Black Phosphate |
| Material | 4140 Steel |
| Firearm Type | AR Platform |
Current Stock:
SKU:
PRTS_LBE_ARCASTLE-BLK
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