Mossberg 940 JM Pro 12 Gauge 3" 4+1 24" Semi-Auto Shotgun

The Mossberg 940 JM Pro is a competition-grade 12 Gauge semi-automatic shotgun purpose-built for competitive shooting. Featuring a 24" matte blued vent rib barrel and a tungsten gray drilled and tapped stainless steel receiver, this full-size autoloader is supported by a durable gas system engineered to deliver up to 1,500 rounds between cleanings.

Chambered for 3" shells with a 4+1 capacity, the 940 JM Pro carries practical competition-ready features front to back. The HiViz CompSight fiber optic front sight sits atop the vent rib for fast, intuitive target acquisition, while the adjustable black synthetic stock lets shooters dial in a personalized fit. The receiver is drilled and tapped for clean optics mounting, and a tang-mounted safety provides positive, intuitive control at the ready position.

Pattern versatility comes courtesy of the included Briley extended chokes, giving competitors the flexibility to tune their pattern for each stage. The shotgun measures 44.75" overall and weighs 7.25 lbs, striking a balance between swing speed and recoil management. Configured for right-hand shooters, the Mossberg 940 JM Pro is a purpose-built competition platform ready to run right out of the box.

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