Blackhole Weaponry 20in Polygon Match .308 Barrel



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Blackhole Weaponry has established a prestigious and unprecedented benchmark for excellence in barrel manufacturing with our proprietary rifling and stainless steel. Caudle 3-land polygonal rifling consists of a series of arcs, which is held in very high regard for its accuracy, increased velocity, reduced gas cutting, and ease of cleaning. We only use a tightly controlled blend of fully-vetted and certified, F-Bar rated, BOSS 416R steel, recognized as the finest ordnance steel available.
  • 20in Barrel
  • Match Grade .308WIN Chamber
  • 1-9.73 Twist Rate
  • Rifle Length Gas
  • Weighs 3lb 3oz
  • Polygon Rifling
  • 416R Stainless Steel
  • Black Oxide Coated
  • 5/8×24 TPI
  • .750″ Gas Block
  • Dimpled For Easy Gas Block Install
  • Sub MOA Accuracy Guarantee
Toolcraft Bolt Carrier Group (optional)
The primary customer of Toolcraft inc. is the U.S. Service Member. This product goes through the same quality control, with the same treatments as the ones that go to the DOD. This is a quality first rate product that has come to be expected from Toolcraft. Sold by other companies for much more, these are beautifully finished and guaranteed to not disappoint. These are not marked with the cage code on the carrier.
  • 7.62×51, .308
  • Properly Staked Gas Key
  • 9310 Alloy Bolt, Shot Peened and MPI Tested/Marked
  • Properly Heat Treated/Quenched Milspec 8620 Steel Carrier
  • Melonite/Nitride Treated
  • CNC Machined To Exacting Specifications
  • Satisfaction Guaranteed
  • 100% U.S. Made in North Carolina

Additional information

Choose Option

Add Discounted Toolcraft BCG, Barrel Only


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