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Q&A for Glfa Barrel Ar15 .458 Socom 16" 1:14" Twist Black Nitride — 3 Questions & 6 Answers

Name Glfa Barrel Ar15 .458 Socom 16" 1:14" Twist Black Nitride
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Q
Dorothy, guest, from PA, United States, asked on March 04, 2018

.936 gas block? If not ,what size?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on May 02, 2018

This barrel has a .875" gas block channel.

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Q
oshen, member, from CA, United States, asked on February 27, 2018

What size brake is needed?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on April 24, 2018

You would need a 5/8x24 thread pitch muzzle device that is compatible with .458 Socom. This is GLFA's option: https://www.opticsplanet.com/glfa-muzzle-brake-458-socom-5-8-24-threads-black.html

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Q
George Sellers, member, from CA, United States, asked on December 31, 2018

is this carbine length gas

A
Answered by George Sellers, member, from CA, United States, on March 25, 2019

using the image picture of the 16” barrel- the step for the G/B is about half the distance- which would be to
far forward to be “pistol length”. which gives me the conclusion it is “carbine
length. (I’m just saying)

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Last updated 2025-11-12 UTC.