Faxon Firearms Match Series, 1:7 Twist Barrel, 22 ARC, 24, Heavy Flued, Rifle Length Gas System, Fits AR-15, Nitride Finish, Black 15B22A7R24FHQ-5R-NP3 The Gunner profile is a blend of two of the best performing profiles of all time" Gov't and Pencil. Faxon's Gunner profile combines the durability of the Gov't profile with the weight savings and maneuverability of the Pencil profile. The Gunner profile brings the balance of the rifle back towards the shooter's body" limiting fatigue" and allowing for shooting" training" or hunting all day long. Faxon Firearms barrels are the pinnacle of value. Manufactured in-house in Cincinnati" Ohio" Faxon barrels are fully stress relieved" air-gauge tested" and 11 degree target crowned to ensure superior accuracy. Quality is imbued into their barrels from the beginning of the manufacturing process. They 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 with precision PTG gauges.