Mossberg 590R | 12 Gauge | 18.5-inch Breacher | 50761

The Mossberg 590R is a purpose-built pump-action shotgun that pairs a short stand-off breacher barrel with modern modular furniture. It is chambered for 3-inch 12 Gauge shells and features a heat-shielded barrel, Magpul MOE pistol grip, and an adjustable stock for a wide range of shooter fits. Designed for professional security and breaching roles, the 590R offers a familiar pump-action platform with accessory-ready ergonomics.

Product Specifications

• The gauge is 12 Gauge.
• The action type is Pump-Action.
• The barrel measures 18.5 inches and uses a stand-off breacher design.
• The barrel includes a integrated heat shield in its stand-off configuration.
• The chamber accepts 3-inch shells.
• The metal finish is parkerized.
• The stock is a 5-position adjustable design with an interchangeable recoil pad.
• The pistol grip is a Magpul MOE style polymer grip.
• The receiver is aircraft-grade aluminum.
• A top Picatinny rail is provided for AR-style optics and accessories.
• An ambidextrous rotary safety selector is fitted.
• The barrel description is stand-off with integrated heat shield.
• The maximum chamber size is 3 inches.
• The barrel finish is listed as phosphate/parkerized.
• The UPC is 015813507615.

The 590R combines rugged, time-tested pump-action reliability with modern, modular features intended for security and breaching usage. Its adjustable stock, MOE grip, and optics-ready rail allow the platform to be configured for duty use or training on the range, while the short stand-off barrel and heat shield provide a compact, service-oriented profile.

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