The Mossberg 940 JM Pro is a competition-oriented semi-automatic 12-gauge shotgun tailored for 3-Gun and target shooting. It features an optic-ready receiver cut for Shield RMSc-pattern micro dot sights and a 24-inch vent-rib barrel. The firearm includes an adjustable black synthetic stock for user-configurable length of pull and ships with Briley extended choke(s). The design emphasizes reliable gas operation and competition-focused ergonomics.
Key Specifications
- The shotgun is chambered for 12 Gauge.
- The action is a Semi-Auto system.
- The barrel measures 24 inches and uses a vent-rib profile.
- The magazine capacity is 9+1 rounds.
- The maximum chamber size is 3 inches.
- The barrel finish is Matte Blued.
- The receiver finish is Tungsten Gray Anodized.
- The adjustable length of pull is 13–14.25 inches.
- The listed weight is approximately 7.75 lbs.
- The receiver is optic-ready for Shield RMSc-pattern micro dot sights.
Configured for competition use, the 940 JM Pro combines an optic-ready receiver, competition-oriented ergonomics, and a reliable gas system to support fast target acquisition and sustained operation under match conditions. Its adjustable stock and included chokes make it a practical choice for shooters focused on performance in 3-Gun and target shooting disciplines.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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