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
    Love the nut

    The best nut I’ve ever received

  • 5
    Excellent quality

    High quality castle that seems to be in spec and clean machining. Buy with confidence whenever you purchase BCM!

  • 5
    No complaiants

    No complaiants

  • 5
    Customer review

    Good quality product. Hey!!! is just a nut!!!

  • 5
    Customer review

    You guys are fucking awesome

  • 5
    Customer review

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  • 5
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  • 5
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  • 5
    castle nut

    People who complain about this product are a bunch of bitches!! Mine works great!!! Great job again BCM!!!