Restrictions

Top takeaways

  1. Brownells and Faxon Firearms offer AR-15 6mm ARC barrels in heavy profile, made from 416R stainless steel with a black Nitride finish.
  2. The barrels feature a 1-8 5R twist rate, .750” gas block diameter, and 5/8-24 muzzle threads, available in various lengths with corresponding gas systems.
  3. Specifically, the 18” barrel has a Mid-Length gas system with a 0.079” gas port diameter, suited for the 6mm ARC cartridge performance.

Attributes

Cartridge: 6 mm ARC Contour: Heavy Finish: Black Gas System Length: Mid-Length Length: 18'' Make: AR-15 Muzzle Threads: 5/8-24 Twist: 1-8 Delivery weight: 1.021kg

Item details

Made in USA
US export classification: 0A501.c