Receiver Extension Nut [Castle Nut] [AR-15]
Description:
Receiver extension nut (aka. Castle nut) for your AR-15 carbine stock assembly. The purpose of this nut is to lock your carbine buffer tube in place, preventing it from rotating.
Note: Requires an AR-15 armorer's wrench to tighten to spec.
![Receiver Extension Nut [Castle Nut] [AR-15]](/images/1382639944067263759592.jpeg)
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- Item #: AR_CastleNut
- Manufacturer: DEZ Tactical Arms
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