
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.
FFL SOT Shipping Required | No |
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Made In America? | Yes |
Platform | AR15 |
Weight(s) | - |
Other Features | - |
Front Sight Removable | No |