Faxon 16" Pencil 5.56 NATO AR15 Barrel 4150 QPQ

Our pencil barrels are the lightest in the industry. Don't take just our word for it, major companies like Robar, Mag Tactical, and others choose Faxon pencils for their ideal balance of weight and performance. 

Faxon Firearms barrels are the pinnacle of value. Manufactured 100% in-house from cradle-to-grave, these barrels are button-rifled and air-guage tested to ensure superior accuracy.

All barrels are manufactured under our ISO:9001 and AS:9100 (pending) quality certifications. We inspect each barrel over 15 times before it ever reaches you. 

• Barrel Material: 4150 CMV Steel
• Barrel Type: Button Rifled 
• Barrel Caliber: 5.56
• Barrel Twist: 1:8
• Barrel Length: 16”
• Barrel Profile:  Pencil
• 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" 
• Gas Port Diameter: .078"
• Gas Block Journal Length: 1.9"
• Barrel Extension: M4 
• Weight:  1.20  lbs
• Magnetic Particle Inspected!
• 11-degree Target Crown

*Note the latest batch of pencil barrels were manufactred with a 1.9" gas block journal length. The added weight was only .01 lbs from previous production and will allow an FSB to be mounted to be barrel.