Description
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.
Sale!
Battlearms Castle Nut
Original price was: $5.60.$2.95Current price is: $2.95.
35 in stock
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