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 service

    My order was correct and got to me in less than two days which I didn't even think was possible

  • 5
    Status quo...fantastic components!

    Fast shipping as usual. Quality component with a fine finish.

  • 5
    Extension Nut

    Fast shipping, top quality parts, lots of BCM stickers included... What else would you want?

  • 5
    Perfect

    Perfect fit and incredibly fast shipping. BCM is my go to place for parts.

  • 5
    Best on the market

    The BCM castle nut is the best on the market. I run one on every rifle I own.

  • 5
    It's a nut

    Not much to go wrong.

  • 5
    Castle Nut

    The product was exactly as described and shipping was lightening fast! They're my new go to company for anything for the ARs.

  • 5
    Nice machining.

    Super smooth threading and great finish.

  • 5
    Easy process

    Easy to order arrived in a timely manner.