Aero Precision Castle Nut Features:

  • 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.
AERO APRH100082C

Retail: $3.49
Price: $2.97
You Save: $0.52 (14.9%)
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In Stock




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Aero Precision Castle Nut Specs

  • Made In America? :  Yes
  • Platform  :  AR15