Winchester 1200, 1300 & Defender Increase your fire power to 8 rounds 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.
These kits are constructed of solid blued steel and come with spring, base clamp & follower.
7 Shot Model fits 18″ barrel or longer.
8 Shot Model fits 20″ barrel or longer.
9 Shot Model fits 24″ barrel or longer.
10 Shot Model fits 26″ barrel or longer.