Manufacturer: Black Hole Weaponry
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Black Hole 16" 5.56 MidLength .750 1-8 Polygonal Rifling AR15 Barrel
Polygonal 3 groove rifling and machined finish. Polygonal Rifled Barrel benefits include increased accuracy, reduced cleaning, increased barrel life, and increased velocity. This is the rifling of choice on world famous sniper systems like the H&K PSG1 and MSG-90. M4 feed ramp is included. Uses .750 AR-15 Gas Block. Threaded for flash hider or muzzle device. Hard to find 1:8 Hybrid Barrel Twist. All Black Finish, Stainless Steel, Premium Barrel for your next build!
Under handguard: 0.88 inches
In front of gas block: 0.73 inches
About Black Hole Weaponry
Specialists in Polygonal Rifling, Black Hole Weaponry is located in Central Washington State. We are a Division of Columbia River Arms LLC. Black Hole Weaponry is owned and operated by Carl Caudle who has been a gunsmith for over 30 years.
We use 416R stainless steel and our rifling shape is a series of arcs instead of square corners, as in the traditional style of Enfield rifling. This arc shaped rifling has long been held in very high regard for its accuracy, increased velocity, reduced gas cutting and ease of cleaning. Here you can see the difference between classic Enfield rifling compared to the 5 land and 3 land polygonal rifling.
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