Mossberg 5500, 930, 935, 9200 will increase your fire power by 5 shells with our shotgun magazine extension kits. These extensions are great for law enforcement officers and competition shooters in reducing the time to reload. They are also a must for home protection. —PLEASE NOTE: The 9200 extensions must have special shell follower. If ordering for a Moss 9200 in the special note section when ordering tell us it is for the 9200 or please call us at 800-972-6390 to place the order so we can get you the right shell follower.— Kit includes: Magazine Extension, Barrel Clamp (sling swivel loop pictured is not included), High Visibility Shell Follower, and Spring.