Aero Precision Receiver Lock Nut / Castle 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.
Product Information
| Manufacturer | Aero Precision |
|---|---|
| Platform | AR15 |
| Coating Type | Phosphate |
| Weight | <1oz |
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