Live Inventory - No Backorders ever! - FAST SHIPPING GUARANTEED
Shop RightToBear for all of your AR15 parts and other accessories
Shopping Cart 0

For 10% Off Use Code: "POLAR10"

image_1492

Mil-Spec Castle Nut

Rating: Total Reviews: (8 reviews) Write a Review
Product Code: MSTCN
Quantity in Stock Quantity in Stock: IN STOCK
Our Price: $4.50
$4.5
Click for Price
Add to wish list

Mil-Spec Castle Nut

Mil Spec Castle nut. Made of High carbon steel and finished in durable military quality phosphate. Used primarily for the AR15 platform but may be used for any receiver that utilizes an M4 buffer tube.

SKU:
MSTCN
UPC:
860006521455

Related Products
Write a Review
Rating:
8 Reviews

  • Mark Martinez

    Aug 20th 2024
    5 Aug 20th 2024
    Castle nut

    Fit great and has a nice finish

  • Dana KURT Hellen

    Aug 15th 2024
    5 Aug 15th 2024
    Can’t believe the price

    Great price fast shipping good quality and did I mention great price

  • Russell Sikora

    Jan 23rd 2023
    5 Jan 23rd 2023
    nice castle nut

    Nicely machined and clean like picture

  • Jan 31st 2020
    5 Jan 31st 2020
    Fast shipping, quality part.

    I ordered this on Wednesday along with other parts and got it Friday. I normally order from Midway USA but this is the same quality part of not better for a lower price and 10 times faster shipping. RTB will be my first choice from now on!

  • Jan 26th 2020
    5 Jan 26th 2020
    Work good. Quality good.

    Good no complaints

  • Jan 4th 2017
    4 Jan 4th 2017
    Its a castle nut

    Its a castle nut. What more can you say about it.

  • Nov 25th 2016
    5 Nov 25th 2016
    Great value & low cost! A+

    Needed some good quality spares for the oops kit & these mil-spec castle nuts did the job! Wound up using 1 on a new build... glad I ordered multiples. This was just part of the items I ordered & they were ALL perfect Good form,fit & function at a super reasonable price! Great customer service & they actually answer phones! Fast shipping,secure packaging.A+

  • Nov 22nd 2016
    4 Nov 22nd 2016
    It's a castle nut

    Nothing special but it gets the job done