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what ID diameter gas block will I need with this fine barrel? Not finding that info in the specs. — 2 Answers

by markej4801, from TX, United States Asked on June 8, 2018

Name Faxon Firearms AR-15 5.56 NATO Pencil Profile Threaded Barrels (4.8)
As Low As $136.99 Save Up to 28%
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Answered by Armando R., Gear Expert, from IL, United States, on May 15, 2019

These pencil barrels will use a .625 diameter gas block.

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Answered by John, member, from MO, United States, on June 11, 2018

The pencil barrel takes a .625 gas block.

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