To fully take advantage of the performance of the 6mm ARC cartridge Brownells has teamed up with Faxon to offer these AR-15 6mm ARC barrels.

Made from 416R stainless steel and finished with a black Nitride finish, these come in a heavy profile with a 1-8 5R twist rate, and 5/8-24 muzzle threads. Available in four different lengths here are the associated specifications: 14.5” length with Carbine length gas system and 0.069” gas port diameter 16” length with Mid-Length gas system and 0.079” gas port diameter 18” length with Mid-Length gas system and 0.079” gas port diameter 20” length with Rifle length gas system and 0.085” gas port diameter Regardless of what barrel length you choose each barrel follows the same following specs: 1-8 5R twist .750” gas block diameter

Heavy profile 5/8-24 muzzle threads 416R stainless steel Black Nitride finish

Product Code: 078000605

For more information visit: https://www.brownells.co.uk/AR-15-6MM-ARC-BARRELS-HEAVY-PROFILE-6MM-ARC-Barrel-145in-1-8-5R-Carbine-5-8-28-Blk-FAXON-FIREARMS-Black-1-7-5-8-24-145-6mm-ARC-6-mm-ARC-078000605

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