Strike Industries AR Receiver Extension Castle Nut

Item Code: AR-RE7P-CN
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    The Receiver Nut for collapsible receiver extension, also referred to as a Castle Nut. This mil-spec part with fit both the mil-spec and commercial receiver extensions.


  • Steel construction
  • Durable weather resistant finish
  • Fits both commercial and Mil-spec buffer tubes
  • It includes 1 x Castle Nut

  • Specifications:

  • Material: Steel
  • Color: Matte Black

  • Strike Industries AR Receiver Extension Castle Nut
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    WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to

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