Q&A for Faxon Firearms Match Series AR-15 .300 AAC Blackout Threaded AR Barrel

Faxon Firearms Match Series AR-15 .300 AAC Blackout Threaded AR Barrel

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Nate, member, from TX, United States, asked on April 30, 2026

Will high quality ammo supersonic be OK? Like a solid copper.

Manufacturer Answer

Answered by Faxon Firearms, Manufacturer from OH, United States, on May 27, 2026

Yes, perfectly fine.

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Thomas Shaw, member, from AZ, United States, asked on April 11, 2026

What size is the gas port hole drilled to on this barrel. Just make sure it indicates a pistol length gas system so does that indicate four inch’s .

Manufacturer Answer

Answered by Faxon Firearms, Manufacturer from OH, United States, on April 22, 2026

The gas port on this barrel is drilled to .104" +/- .001". A pistol length gas tube is ~ 6.75" long end to end, the port location on the barrel is ~ 4" from the barrel extension.

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Morris Adkins, member, from KY, United States, asked on September 22, 2025

Has it been shot suppressed? Or spinning jacket of the bullets

Answered by Mr. Gazoo the gunsmith, member, from WV, United States, on December 07, 2025

This question makes no sense but these barrels and the twist rate are designed for the heavier subsonic ammo , which is intended to be shot suppressed.

1 of 1 found the following answer helpful.

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J Rothschild, member, from VA, United States, asked on July 15, 2025

Is it Dimpled for the block?

Answered by Shooter, member, from OH, United States, on August 02, 2025

No. You'll need to do that yourself.

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Q&A for Faxon Firearms Match Series AR-15 .300 AAC Blackout Threaded AR Barrel — 4 Questions & 4 Answers

Will high quality ammo supersonic be OK? Like a solid copper.

What size is the gas port hole drilled to on this barrel. Just make sure it indicates a pistol length gas system so does that indicate four inch’s .

Has it been shot suppressed? Or spinning jacket of the bullets

Is it Dimpled for the block?