Receiver Extension Nut [Castle Nut] [AR-15]


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]
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  • Item #: AR_CastleNut
  • Manufacturer: DEZ Tactical Arms
Price $6.00
Availability Out-of-Stock
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