Colt M4/AR15 Receiver Extension Castle Nut

Colt M4/AR15 Receiver Extension Castle Nut

Colt
SKU:
SP64069
$9.95
(29 reviews)
Current Stock:
Description

Factory Colt receiver extension castle nut for M4/AR15 type rifles.

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Reviews

  • 5
    Good

    Posted by Alec Nicholas on 29th Mar 2017

    Good

  • 5
    What I was looking for

    Posted by Alex Verdugo on 26th Dec 2016

    It's a castle nut from colt. You can't go wrong with that.