Mossberg

The Mossberg 940 JM Pro is a semi-automatic 12-gauge shotgun configured for competitive and target shooting. It features an optic-ready receiver compatible with Shield RMSc-pattern micro dot footprints and a 24-inch vent-rib barrel finished in matte blued. The shotgun includes an adjustable synthetic stock and competition-oriented controls designed for fast, repeatable operation.

Key Specifications

• The gauge is 12 Gauge.
• The action type is Semi-Auto.
• The barrel length is 24 inches with a vent rib profile.
• The chamber accepts up to 3″ shells.
• The listed capacity is 4 + 1.
• The receiver finish is Tungsten Gray Anodized.
• The barrel finish is Matte Blued.
• The stock is black synthetic with adjustable length of pull (13″–14.25″).
• The sights are HiViz CompSight fiber optic at the front.
• Included choke configuration is a Briley extended set.

Competition-focused features, an optics-ready receiver, and an adjustable ergonomic stock combine to make this model well-suited for 3-Gun and target shooting. Its configuration balances repeatable handling and maintenance-forward design for shooters who prioritize function and reliability in a full-size competition shotgun.