Mossberg 590A1 | 12 Gauge | 20″ Barrel | 51663

The Mossberg 590A1 is a robust, service-oriented pump-action shotgun chambered in 12 gauge with a 20-inch heavy-walled barrel and a Parkerized finish. It pairs a fixed black synthetic field stock with ghost-ring sights and a durable metal trigger guard and safety, creating a platform built for sustained use. Construction and component choices emphasize endurance and repeatable function across heavy use cycles.

Typical applications for this model include duty use by military and law enforcement agencies, and tactical training or range practice for operators and teams.

Product Specifications

• The brand is Mossberg.
• The model is 590A1.
• The UPC is 015813516631.
• The gauge is 12 Gauge.
• The action type is Pump Action.
• The barrel length is 20 inches.
• The barrel is a heavy-walled barrel for increased durability.
• The chamber accepts shells up to 3 inches.
• The finish is Parkerized.
• The stock material is black synthetic.
• The overall length is 41 inches.
• The weight is approximately 7.25 pounds.
• The sights are ghost ring style.
• The receiver finish is Parkerized.
• The shotgun includes swivel studs for sling attachment.

Purpose-built components and a straightforward feature set make this 590A1 suitable for professionals and experienced shooters who need a repeatable, proven pump platform. Its heavy-walled barrel and robust fittings prioritize longevity under hard use, while the ghost-ring sights provide a clear sight picture for rapid target acquisition in training and duty contexts.

Owners and reviewers commonly praise the model for its durability and duty-grade construction, noting its reliable operation across extended use.

Related Videos: