Mossberg 590A1 | 12 Gauge | 14″ Barrel | 50798

The Mossberg 590A1 is a military-heritage pump-action short-barreled shotgun built for demanding use. This configuration features a 14″ heavy-walled barrel finished in Tungsten Cerakote, a fixed black synthetic stock with adjustable spacers for length of pull, and an optic-ready receiver with metal ghost-ring rear sight and a front fiber-optic sight. The design emphasizes durability, corrosion resistance, and compatibility with compact optics for close-range, controlled engagements. Typical applications include tactical training and agency field operations.

Product Specifications

• The manufacturer is Mossberg.
• The model is 590A1.
• The manufacturer part number is 50798.
• The UPC is 015813507981.
• The caliber/gauge is 12 Gauge.
• The action type is Pump-Action.
• The barrel length is 14″.
• The chamber size is 3″.
• The barrel finish is Cerakote – Tungsten.
• The barrel is described as heavy-walled.
• The stock is a fixed black synthetic design with spacer for variable LOP.
• The sights are metal ghost-ring rear with front fiber-optic and the receiver is optic-ready.
• The product type is listed as NFA – Short-Barreled Shotgun.
• The ATF model is recorded as M590A1.
• Additional features include dual extractors and an optic-cut receiver.

Built to a professional specification, the 590A1 combines rugged construction with corrosion-resistant finish and an optic-ready receiver for modern sighting options. Its compact 14″ barrel and heavy-walled construction make it a logical choice for agencies, range professionals, and instructors who require a durable, short-barreled 12 gauge with straightforward, field-serviceable controls and mounting options.