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What are the muzzle thread and gas block sizes — 1 Answer

by Pete0108, from NJ, United States Asked on April 9, 2019

Name Glfa Barrel Ar15 .450 B-master 18" 1:24" Twist Black Nitride
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Answered by Nemo, member, from OH, United States, on August 20, 2019

- 11/16-24 muzzle thread
- the nitride barrel takes a .750 block (their stainless steel barrels take .850 )
- mid-length gas tube
- the nitride barrel weighs 1.75 pounds

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Last updated 2025-11-12 UTC.