Faxon Big Gunner 8.6 Blackout 16" AR10 Barrel

$225.00 17 in stock

Faxon's Big Gunner profile barrel in 8.6 Blackout features 4150 Mil-Spec steel with Salt Bath Nitride finish, button rifling, and target crown for AR10 platforms.

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Faxon Big Gunner 8.6 Blackout Barrel

Faxon Firearms builds this barrel from 4150 Mil-Spec steel, the same material trusted in military applications. Every barrel undergoes rigorous testing at each manufacturing stage, with individual headspace verification using precision custom hardened gauges before final inspection.

Key Features

  • Caliber: 8.6 Blackout
  • Length: 16 inches
  • Profile: Big Gunner—a modern, efficient design that balances weight and durability
  • Rifling: Button rifled for consistent accuracy
  • Finish: Salt Bath Nitride inside and outside, providing superior corrosion resistance and durability
  • Threading: M18x1.5 with tapered shoulder
  • Muzzle: 11-degree target crown for precision shooting
  • Gas System: Carbine-length gas system
  • Gas Block Journal: 1.9 inch diameter

Why Choose This Barrel

The Big Gunner profile delivers a practical balance for shooters who demand both accuracy and reliability. The target crown ensures consistent bullet release, while the Salt Bath Nitride finish protects against corrosion in demanding conditions. Whether you're building a precision rifle or upgrading an existing AR10, this barrel is engineered to perform.

Features

  • barrel material: 4150 cmv
  • rifling: button
  • barrel caliber: 8.6 blk
  • barrel twist: 1:3
  • barrel length: 16"
  • barrel profile: big gunner"
  • barrel gas system: pistol
  • inside finish: salt bath nitride
  • muzzle thread: m18x1.5, tapered shoulder (adapter included)
  • gas block diameter: .875"
  • gas block journal length: 1.9""
  • barrel extension: standard dpms gen 1 .308 extension, black oxide
  • weight: 2.0 lbs
  • magnetic particle inspected
  • 11 degree target crown

Attributes

Barrel Length: 16"
Barrel Type: Button Rifled
Caliber: 8.6 Blackout
Color: Black
Description: Carbine Length Gas System
Finish: Nitride
Fit: AR-10
Length: 16"
Model: Big Gunner
Model: Duty Series
Twist Rate: 1:3
Type: Barrel