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 of Operation
• Field stripping
• Detailed armorer dis-assembly, assembly, and inspection
• Cleaning and lubrication
• Head-spacing
• Proofing
• Troubleshooting
• Practical and written exam

Gear

All firearms and armorer tools used in the course will be provided by Constellis and Mossberg.

Prerequisites

Familiarity with Mossberg 500/590/930 shotgun platforms

Ammunition Requirements

None.