The Mossberg 940 JM Pro is a 12-gauge semi-automatic shotgun designed for target shooting and competition use. It features a 24-inch vent rib barrel, 3-inch chamber, adjustable black synthetic stock, and a receiver prepared for Shield RMSc-pattern micro dot sights.

The full-size configuration combines a tungsten-colored receiver with a matte blued barrel and right-hand handling. Its adjustable stock, fiber optic front sight, textured controls, and competition-oriented loading components support consistent operation on the range.

Key Specifications

• The gauge is 12 gauge for use with compatible 12-gauge shotshells.
• The action is semi-automatic for cycling successive shotshells.
• The chamber accommodates shells up to 3 inches.
• The vent rib barrel measures 24 inches.
• The listed capacity is 9+1 rounds.
• The receiver has a tungsten finish, while the barrel has a matte blued finish.
• The stock is made from black synthetic material and provides adjustable length of pull, cast, and drop.
• The length of pull adjusts from 13 to 14.25 inches.
• The shotgun weighs 7.75 pounds.
• The receiver is optic-ready for Shield RMSc-pattern sights.

With its competition-focused configuration, adjustable fit, optic-ready receiver, and practical sighting system, the Mossberg 940 JM Pro offers a well-equipped platform for organized target shooting and shotgun competition.

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