The Castle Nut is used on the AR-15 platform for securing the Buffer Tube to the Lower Reciever.
The Castle Nut comes in several finishes:
- Phosphate
- Nitride
The Castle Nut is great for anyone looking to build, repair, or needing just a spare.
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Skip to main contentThe Castle Nut is used on the AR-15 platform for securing the Buffer Tube to the Lower Reciever.
The Castle Nut comes in several finishes:
The Castle Nut is great for anyone looking to build, repair, or needing just a spare.