Receiver Extension Nut (Castle Nut)

Stock Status:
To secure lock plate on an adjustable stock for AR15, M4
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206 Reviews

  • 5

    Needed a REN to replace a busted stock nut. BCM as always is best. Thanks again brother.

  • 5
    Casle nut

    These guys sell only the best stuff

  • 5
    Receiver Extension Nut

    When I needed to replace my carbine's receiver extension nut BCM was the first company to come to mind. Installation was simple with a perfect fit. This nut torqued up to 40 ft/lbs without any problem or deformation.

  • 5
    Quality Product

    The product is great quality and price.

  • 5
    2 Thumbs Up

    Great product great service

  • 5
    Nut of Castles

    Castle shaped nut, it nuts well, would buy again.

  • 5
    Most excellent product

    Perfect, works to my expectations

  • 5
    Castle nut

    If you’re looking for a castle nut... this is a castle nut. It does what you need a castle nut to do... good quality and no problems.

  • 5
    Castle Nut

    As always Great product