AR15 11.5" Barrel—5.56 NATO, Carbine Length, 1:7 Twist, Government Profile

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Outerwild AR15 barrels are produced in-house. Using our fully automated robotic-driven production line, we drill, ream, rifle, contour and assemble our barrels from raw bar stock to the finished product. These barrels are properly stress relieved after rifling, air-gauge tested, and individually checked for head space. 0ur quality control system ensures they are dimensionally correct and bores fall well within their individual tolerance ensuring superior accuracy.

  • Length: 11.5" 
  • Weight: 21.6 ounces
  • Caliber: 5.56 NATO
  • Gas System: Carbine Length 
  • Twist Rate: 1:7 RH 
  • Gas Block Journal: .750"
  • Gas Port Size: .070" 
  • Muzzle Thread: 1/2-28 
  • Material: 4150 CMV
  • Finish: Blacknitride+™ by H&M
  • Profile: Government
  • Barrel Extension: M4
  • 11° Target Crown
  • 100% American Made
  • 5
    Will Be Back to Buy More!!!

    Posted by Jim L. on Feb 9th 2021

    These are some of the best barrels on the market! Accuracy wise, they compare to my Ballistic Advantage barrel. No break in necessary to achieve MOA. The nitride finish is outstanding. Will definitely be back to buy more!!!