Mossberg 590M Shockwave Breacher | 12 Gauge | 50217

The Mossberg 590M Shockwave Breacher is a compact, magazine-fed 12-gauge pump-action shotgun engineered for a short-barrel footprint and increased capacity. It combines a heavy-walled short barrel, M-LOK forend, and a bird’s head grip to deliver controlled handling in confined or mobile use. The detachable double-stack magazine provides higher capacity while the drilled and tapped receiver supports optics or accessories. Typical applications include security roles and range training for experienced shooters.

Product Specifications

• The UPC is 015813502177.
• The gauge is 12 Gauge.
• The action is Pump-Action.
• The chamber accepts up to a 2.75-inch shell.
• The barrel measures 14.37 inches and is heavy-walled.
• The overall length is 27 inches.
• The capacity is 10+1.
• The weight is 6.3 lbs.
• The barrel finish is listed as Matte Blue in source data.
• The stock is a black synthetic bird’s head grip.
• The forend features a M-LOK attachment system.
• The receiver is drilled and tapped for optics or mounts.
• The choke is a cylinder bore.
• The safety is ambidextrous.
• The sights are a fixed bead front.

Its short profile and magazine-fed design make the 590M a practical choice where compact handling and higher magazine capacity are priorities. The M-LOK forend and drilled receiver allow straightforward accessory mounting, while the bird’s head grip aids control in close-quarters handling and dynamic training environments.

Owners and reviewers commonly praise the 590M for its balanced, compact handling and its magazine capacity and flexibility.

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