Restrictions

Top takeaways

  1. PROOF Research carbon fiber barrels are significantly lighter and stiffer than steel barrels, providing superior durability and performance.
  2. The barrels offer match-grade accuracy, enhanced heat dissipation, and reduced vibration for improved shooting consistency.
  3. These 308 Winchester carbon fiber barrels require a .875” gas block and do not come with a gas block, gas tube, or bolt.

Attributes

Barrel Weight: 2.56 lbs Cartridge: 308 Winchester Finish: Carbon Fiber Gas System Length: Rifle Length: 18'' Make: AR .308 Muzzle Threads: 5/8-24 Twist: 1-10'' Delivery weight: 1.134kg

Item details

Made in USA
US export classification: 0A501.c