18" AR-10 .308 Blackhole Weaponry Mid-Length Barrel

Product Code: 18" AR-10 .308 Blackhole Weaponry Mid-Length Barrel
Price: $369.95

Black Hole Weaponry .308 18" Mid-Length Stainless Steel 1:11 Polygonal Rifled Barrel - DPMS Compatible 

Blackhole Weaponry Barrels employ the use of 416R, match grade stainless steel. BHW Barrels specialize in Polygonal rifling; The shape of the lands and grooves are based on a circle, so there are no sharp corners or edges for the bullet to conform into. This means there is a tight seal and thus less bullet deformation. This rifling form is unique in its ability to allow the bullet to be centered and fully supported by the barrel’s bore.This arc shaped rifling has long been held in very high regard for its accuracy, increased velocity, reduced gas cutting and ease of cleaning. 


  • Caliber: .308 (Chambering is "308B" which chambers both .308 Win & 7.62 NATO)
  • Barrel Length: 18" Standard Profile
  • Gas System: Mid-Length
  • Barrel Material: 416 Stainless Steel
  • Barrel Finish: Matte Black
  • .750" diameter at gas block
  • Rifling: 1:11 Polygonal 3 groove
  • M4 feed ramp is included
  • Threading (TPI): 5/8x24"
  • DPMS Compatible (LR-308)
  • Magnetic particle inspections and other non-destructive testing performed on barrels by manufacturer. 

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