Mossberg 940 JM Pro 12 Gauge 24″ Optic-Ready

The Mossberg 940 JM Pro is a 12 Gauge semi-automatic shotgun configured for competitive use and practical target shooting. It features a 24-inch vent-rib barrel and an optic-ready receiver cut for Shield RMSc-pattern micro dot sights. The rifle-style controls, adjustable synthetic stock in Black Multicam, and a HiViz fiber optic front sight prioritize speed and consistent sight picture.

Key Specifications

• Chambered for 12 Gauge for standard sporting and competition loads.
• Action type is Semi-Auto for rapid follow-up shots in competition scenarios.
• Maximum chamber size is 3".
• Barrel length is 24 inches with a vent-rib profile.
• Optics interface is Shield RMSc-pattern optic cut (optic-ready).
• Stock is Black Multicam synthetic, adjustable to tune length of pull and fit.
• Sights include a HiViz CompSight fiber optic front sight for quick acquisition.
• Includes Briley extended choke tube(s) and comes with a cylinder tube per manufacturer notes.
• Weight is approximately 7.75 lbs.
• Features a quick-empty magazine release and competition-oriented controls.

Engineered for competitive shooters who prioritize reliability, speed, and ergonomic control, the 940 JM Pro pairs a durable gas system and competition-level feeding with an optics-ready receiver and adjustable stock. Its configuration supports fast, repeatable handling in 3-gun and target shooting setups while providing a serviceable platform for performance-focused shooters.