Faxon Duty Series Gunner Big Bore AR-15 Barrel 458 Socom 16" Gunner Big Bore Contour 1:14" Twist Black Nitride

The Faxon Duty Series, Gunner Big Bore Contour Barrel for the AR-15 458 SOCOM is manufactured 100% in-house from cradle-to-grave. The barrel is machined from certified 4150 mil-spec bar stock steel with nitride coating for added durability and longevity. Each barrel is magnetic particle inspected (MPI) to ensure perfect surfaces and sub-surfaces as well as air-gauge tested to ensure superior accuracy. The Faxon Gunner Big Bore is button rifled and includes the Big Bore barrel extension to guaran