Mossberg 590A1 12 Gauge 18.5 in. Pump Shotgun

The Mossberg 590A1 is a 12 Gauge pump-action shotgun configured with an 18.5-inch heavy-walled barrel, black synthetic stock, and M-LOK forend. Its Parkerized finish, metal trigger guard and safety, ambidextrous top-tang safety, and cylinder bore are specified for a durable, practical platform.

The design also includes a fixed magazine, fixed length of pull, recoil pad, and clean-out magazine tube.

Key Specifications

• The shotgun uses a 12 Gauge chambering.
• The action is pump action for manual cycling.
• The barrel measures 18.5 inches and is heavy-walled.
• The chamber accepts shells up to 3 inches.
• The barrel has a cylinder bore.
• The firearm has a Parkerized finish.
• The stock is made from black synthetic material.
• The forend features M-LOK mounting slots.
• The safety is an ambidextrous top-tang design.
• The listed weight is 7 pounds.

With its heavy-walled barrel, corrosion-resistant finish, practical controls, and adaptable forend, the 590A1 provides a straightforward configuration for owners seeking a durable pump shotgun for training, sporting use, or household preparedness.

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