Mossberg Master Shotgun
This two-day course covers both the Mossberg 500/590/590DA “pump action” and the Mossberg 930 “semi-auto” shotgun systems. The Mossberg Shotgun Armorer course provides instruction on how to diagnose and repair malfunctions, return shotguns to factory specifications, perform function inspections, check headspace and more. Topics Product information Nomenclature Specifications Clearance procedure Loading and unloading procedure Cycle …