Mossberg 940 JM Pro | 12ga 24″ Vent Rib | 9+1 | 85165

The Mossberg 940 JM Pro is a purpose-built semi-automatic 12 Gauge designed for competitive target shooting and 3‑Gun events. It features a 24‑inch vent‑rib barrel, an optic‑ready receiver cut for Shield RMSc‑pattern micro‑dots, and an adjustable black synthetic stock that lets competitors tune length of pull and cast. The action uses a gas system and enhanced internal parts intended to support extended ranges between maintenance for sustained competition use.

Product Specifications

• The manufacturer is Mossberg.
• The model is the 940 JM Pro.
• The manufacturer part number is 85165.
• The gauge is 12 Gauge.
• The action type is Semi-Auto.
• The barrel measures 24 inches and uses a vent‑rib profile.
• The barrel finish is matte blued.
• The magazine capacity is 9+1 rounds.
• The chamber accepts 3 inch shells.
• The stock is an adjustable black synthetic with an adjustable length of pull.
• Includes a HiViz fiber‑optic front sight and an optic‑ready receiver for Shield RMSc‑pattern micro‑dot mounts.
• The shotgun ships with a Briley extended choke set, including a cylinder tube.
• The unloaded weight is approximately 7.75 pounds.
• The length of pull is adjustable between 13 to 14.25 inches.
• UPC: 015813851657.

Purpose-built for competition, the 940 JM Pro combines an optic‑ready receiver and competition ergonomics with a corrosion‑resistant internal parts finish and a gas system engineered for extended use between cleaning intervals. The adjustable stock, patterning chokes, and fiber‑optic sighting make it a flexible option for shooters who need fast target acquisition and modular setup options for match conditions or dedicated target sessions.

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