AR15/M16 Receiver Extension Nut (Castle Nut)
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AR15/M16 Receiver Extension Nut (Castle Nut)

$7.00

SKU: BAD_SKU_140 Categories: ,

AR15/M16 Receiver Extension Lock Nut

  • Mil-spec. receiver extension lock nut (castle nut) for use on AR15 carbines with an adjustable stock.
  • Perfect for your new build or as a direct replacement for worn out parts.
  • Made in the USA.

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