What's in the Box 940 JM PRO Instructions Manual Gun Lock These 940 JM Pro autoloaders were built to compete and win. Inside, you will find a new durable gas system that allows for up to 1500 rounds between cleaning, nickel boron-coated internal parts for smooth operation, and a competition-level loading port, elevator, and follower. Outside, an adjustable stock and streamlined forend sport Mossberg signature texturing, while a host of stylized, functional components combine for competition to optimize speed, accuracy, and durability. Firearm Features Optic-Ready (Shield RMSc-pattern) Clean-running gas-vent system Quick-empty Magazine Release Built for Quad Loading Adjustable Length of Pull Drilled and Tapped Receiver Adjustable Stock Drop System Briley Choke Tubes HIVIZ TriComp Fiber Optic Sight Firearm Specifications Manufacturer: Mossberg Model: 85165 Caliber: 12-Gauge Barrel Length: 24" Chamber Size: 3" Overall Length: 44.75" Finish: Matte Blue Grips: Black Synthetic Sights: Fixed, Fiber Optic Tubular Magazine Capacity: 9+1