Designed for those looking to save weight while still allowing for the use of a suppressor long-term, the BIG Gunner is ideal for suppressed shooters. All for just about a single pound!

Behind the gas block will be a Government profile tapering to a shoulder and 1.1" journal .625 gas block. In front of the gas block, the barrel will continue straight to a 1/2x28 muzzle with full shoulder. 

Faxon Firearms barrels are the pinnacle of value. Manufactured 100% in-house from cradle-to-grave, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior accuracy. 

Quality is imbued into our barrels from the start. We start with the best materials, either certified 4150 Mil-Spec steel or 416-R Stainless. From there, each barrel goes through a battery of tests at each operation until finished in Nitride and final inspected. All barrels are individually checked for headspace by precision custom hardened gauges. 

Specifications

• Barrel Material: 4150 GBQ Steel
• Barrel Type: Button Rifled 
• Barrel Caliber: 5.56 NATO*
• Barrel Twist: 1:8
• Barrel Length: 11.5"
• Barrel Profile: BIG Gunner Hybrid
• Barrel Gas System: Mid**
• Inside Finish: QPQ Nitride
• Outside Finish: QPQ Nitride
• Muzzle Thread: 1/2-28 TPI (Threads Per Inch)
• Gas Block Diameter: .625"
• Barrel Extension: M4
• Weight: 1.14 lbs
• Magnetic Particle Inspected!
• 11-degree Target Crown