Mossberg 590A1 Pro 12 Gauge 18.5 in. Pump-Action Shotgun

The Mossberg 590A1 Pro is a 12 gauge pump-action shotgun built for professional and defensive applications. It uses an 18.5-inch heavy-walled barrel finished in Marinecote to resist corrosion in wet and humid conditions. The design includes an optic-ready receiver and ghost-ring sights to support rapid, consistent sighting in operational environments.

Key Specifications

• The firearm is chambered in 12 Gauge.
• The barrel measures 18.5 inches with a heavy-walled profile.
• The chamber accepts 3 inch shells.
• The magazine holds 6+1 rounds.
• The action type is pump-action.
• The barrel and receiver finish is Marinecote.
• The stock is a black synthetic design with spacer for adjustable fit.
• Sighting is provided by a ghost-ring rear and front fiber optic sighting system.
• The receiver is optic-ready (RMSc footprint) for micro red dot mounting.
• The forend is a corncob style for secure manipulation.

Ruggedly constructed and purpose-built, the 590A1 Pro provides durable, straightforward performance where reliability matters. Its combination of Marinecote protection, ghost-ring sights, and an optic-ready receiver makes it a practical choice for professionals and experienced users who prioritize proven functionality and dependable handling.