Mossberg 940 JM Complete Specs and Full Gun Specifications

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.