Description
Fits Stoeger M3500, M3000, CZ 712, CZ 612 and Beretta 1301 Comp shotguns. Increase your fire power by +3 shells with our shotgun magazine extension kits. Round count is figured using 2 3/4 inch shells. These kits are constructed of solid steel and come with spring and base clamp (sling swivel loop pictured is no longer included).