The Gunner profile is a blend of two of the best performing profiles of all 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 barrels are fully stress relieved, air-gauge tested and 11 degree target crown to ensure superior accuracy. Features button rifling; Gunner profile; mid barrel gas system; Nitride inside and outside finish; 1/2"-28 thread; 11 degree target crowned; 1.9" gas block journal and M4 barrel extension.