Mossberg 940 Hunting Waterfowl Gauge: 12 Capacity: 12+1 Chamber: 3″ Barrel Type: Vent Rib Barrel Length: 28″ Sight/Base: Front Fiber Optic Choke: X-Factor Modified LOP Type: Adjustable LOP: 13″-14.25″ Barrel Finish: Battleship Gray Stock Finish: True Timber Viper Snow Features: Engraving marked 940 PRO, Pro Series Enhanced Internal Parts Kit Competition-Ready Features. 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.