AR Receiver Extension Lock Ring/Castle Nut

Midwest Industries

$5.00

(1 review) | Write a Review

SKU:

M4BSTK-CN

An AR Receiver Extension Lock Ring/Castle Nut. Product made by Midwest Industries.

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Product Details
1 Review

AR Receiver Extension Lock Ring/Castle Nut
Weight .4oz

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5
It works

Posted by Chris Lindsey on Sep 18th 2017

It's a castle nut, so not much to it other than it works pretty well. It'd be nice if it were a little darker color, but that's not a big deal at all.