Description Benelli’s M2 semiautomatic shotgun is legendary for rugged reliability you can count on in the most adverse of circumstances and conditions. The M2 Field shotgun is light, durable, fast-handling and the backbone of the Benelli semi-auto line. It cycles everything from target loads to the heaviest 3-inch magnums, and has earned a reputation for excellence in fields, blinds and at shooting ranges around the world.