18" GOV'T/SOCOM, 5.56 NATO, MID-LENGTH, 4150 QPQ

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 NATO
• Barrel Twist: 1:8
• Barrel Length: 18"
• Barrel Profile: Gov't/SOCOM
• Barrel Gas System: Mid Length
• Inside Finish: QPQ Nitride
• Outside Finish: QPQ Nitride
• Muzzle Thread: 1/2-28 TPI (Threads Per Inch)
• Gas Block Diameter: .750"
• Gas Port Diameter: .081"
• Barrel Extension: M4
• Weight: 1.86 lbs
• Magnetic Particle Inspected!
• 11-degree Target Crown