Colt M4/AR15 Receiver Extension Castle Nut

Colt M4/AR15 Receiver Extension Castle Nut

Colt
SKU:
9390020
$9.95
(34 reviews)
Current Stock:
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Description

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

Additional Information
Previous Part Numbers:
64069
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Reviews

  • 5
    Colt parts

    Posted by Michael Gibbs on 29th Jul 2022

    Colt is good! But once again arms unlimited with their pricing, inventory, and customer service is great!

  • 5
    Perfect

    Posted by Jonathan Dunn on 19th Aug 2021

    Simple and dead-nut dependable.

  • 5
    Great pricing

    Posted by Reuben Oaks on 26th Dec 2020

    Colt quality...

  • 4
    It works

    Posted by Unknown on 6th Dec 2020

    In my experience Colt castle nuts are consistent and work well.

  • 5
    Colt Parts

    Posted by William Mason on 20th Sep 2020

    I prefer Colt parts, AU is a reliable source with good inventory, price, and fast shipping. They already had my business, and have worked to keep it.

  • 5
    Castle nut

    Posted by David G on 1st Sep 2020

    Colt is legit. Great parts to have on standby.

  • 5
    Original Colt parts are hard to find for AR's.

    Posted by Rob on 25th Jun 2020

    Parts were what I was looking for. They were perfect.

  • 5
    Colt Castle Nut

    Posted by Unknown on 30th May 2020

    Great experience buying this. I'm going to buy another.

  • 5
    Colt

    Posted by Brett H on 23rd May 2020

    Great fit and finish.