Mossberg 940 JM Pro 12 Gauge 24in 9+1 MultiCam

About this product

The Mossberg 940 JM Pro is a 12 gauge semi-automatic shotgun built for competitive shooting. It features an optic-ready receiver patterned for Shield RMSc micro dot sights, a 24 inch vent-rib barrel, and a 9+1 magazine capacity. The stock is an adjustable Multicam synthetic design with an adjustable length of pull and drop. The shotgun is designed for rapid follow-up shots and repeatable performance in competition environments.

Key Specifications

• The shotgun is chambered for 12 Gauge.
• The barrel measures 24 inches and features a vent rib.
• The magazine capacity is 9+1 rounds.
• The chamber accepts 3-inch shells.
• The action is semi-automatic.
• The unloaded weight is approximately 7.75 lbs.
• The stock is Black Multicam synthetic and is adjustable for length of pull and drop.
• The receiver is optic-ready for Shield RMSc-pattern micro dot sights.
• Sights include a Hi-Viz fiber optic front sight.
• Length of pull adjusts between 13 and 14.25 inches.

Purpose-built for competition, the 940 JM Pro pairs a clean-running gas system and competition-oriented controls with an adjustable, shooter-focused stock and optics-ready receiver. Nickel boron-coated internal components and a robust gas system support sustained use between maintenance, while the included Briley-style extended cylinder choke and fiber optic sighting help with quick target transitions. The result is a dedicated competition platform that emphasizes speed, repeatability, and configurable fit for serious shooters.

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