Faxon Firearms Duty Series Barrel 5.56 NATO 20" Government Profile – AR-15

The Faxon Firearms Duty Series 20-inch barrel delivers extended sight radius and velocity gains for precision AR-15 builds.

• Type: Rifle barrel
• Caliber: 5.56 NATO / .223 Remington
• Length: 20 inches
• Profile: Government
• Material: 4150 Chrome Moly Vanadium steel
• Finish: QPQ nitride (black)
• Twist Rate: 1:8
• Thread Pitch: 1/2x28 TPI
• Gas System: Rifle length
• Compatible Firearms: AR-15 pattern rifles