Receiver Extension Nut (Castle Nut)

$7.00
(206 reviews)
SKU:
CASTLE-NUT-AR15
Receiver Extension Nut (Castle Nut)
Stock Status:
To secure lock plate on an adjustable stock for AR15, M4
***This product contains chemicals/materials known to the State of California to cause cancer and other reproductive harm. To learn more, visit www.p65warnings.ca.gov.***

206 Reviews

  • 5
    Customer review

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  • 5
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  • 5
    Awesome service & product!

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  • 5
    Customer review

    Good stuff

  • 5
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  • 5
    Great For Rebuilding an Old Lower

    This BCM castle nut was purchased for an all-BCM rebuild on an old lower. I'm very happy with my purchase.

  • 5
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  • 5
    Quality nut

    You ca depend on BCM to carry quality parts.

  • 5
    Customer review

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