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
    Great product.

    Install was easy and straight forward. Quality product as usual. The stickers are always a nice treat.

  • 5
    Buy BCM

    If you’re thinking about buying BCM anything. Don’t think anymore. Just buy it. I have never been disappointed.

  • 5
    Receiver Extension Nut (Castle Nut)

    Great price and fast shipping.

  • 5
    Customer review

    Great quality.

  • 5
    Customer review

    Review body is empty

  • 5
    Vepr build.

    It's a castle nut lol.

  • 5
    no defects

    machined correctly and did not strip the buffer. easy to tighten down.

  • 5
    RE Castle Nuts

    These do what they’re supposed to do. Well-made & nicely finished. i’m totally satisfied.

  • 5
    Amazing shipping

    I purchased a BCG and a quick disconnect end plate and before I even remembered to check my email for tracking Info and it was at my door! Not sure where BCM is located but I’m in CT and it shipped extremely fast. BCM will forever have my business! Thanks again guys