Castle Nut


AR Castle Nut

Use this castle nut to lock in your AR Stock Tube and keep it from rotating. If your using the UTG Side Folder you can also use this to lock in your tube if you plan on switching it over to right-folding rather than the standard left-folding.

  • Made in USA. Steel. Phosphate coated
  • Compatible with AR15 and AR308 Stock Tubes
  • Discount applied if bought with another item
  • Free Shipping within the USA. Ships same or next business day via USPS

In stock

Additional information

Weight1 oz
Dimensions1.3 × 1.3 × .5 in


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