Colt

Colt M4/AR15 Receiver Extension Castle Nut

(35 reviews) Write a Review
SKU:
9390020
$9.95

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Frequently bought together:

Description

Colt M4/AR15 Receiver Extension Castle Nut P/N: 9390020 Supersedes: 64069, 62357

Factory Colt castle nut for the carbine receiver extension (buffer tube). Locks the extension and end plate to the lower receiver.

Current Colt number is 9390020. Same nut previously sold as 64069 and 62357.

Features

  • Genuine Colt factory castle nut
  • For M4 / AR-15 carbine receiver extensions
  • Secures the buffer tube and receiver end plate
  • Current P/N 9390020
  • Replaces 64069 and 62357
  • Sold individually

Specs

  • Manufacturer: Colt
  • Current part number: 9390020
  • Old part numbers: 64069, 62357
  • Type: Receiver extension castle nut
  • Platform: M4, AR-15 carbine
  • Fit: Standard carbine receiver extension

This is the castle nut only. Receiver extension, end plate, and stock are sold separately.

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Additional Information

Previous Part Numbers:
64069, 62357
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35 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.

  • 5

    A+

    Posted by jv on 11th May 2020

    A+

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