6mm ARC Barrel 14.5In 1-8 5R Carbine 5/8-28 BLK

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