AR15 7.5" Barrel — 5.56 NATO, Pistol Length, 1:7 Twist, Government Profile

Outerwild AR15 barrels are produced in-house by Outerwild. 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 optimal head space. 0ur quality control system ensures they are dimensionally correct, and bores fall well within their individual tolerance ensuring superior accuracy.

• Length: 7.5" 
• Weight: 15.1 ounces
• Caliber: 5.56 NATO
• Gas System: Pistol Length 
• Twist Rate: 1:7 RH 
• Gas Block Journal: .750"
• Gas Port Size: .076" 
• Muzzle Thread: 1/2-28 
• Material: 4150 CMV
• Finish: Blacknitride+™ by H&M
• Profile: Government
• Barrel Extension: M4
• 11° Target Crown
• 100% American Made