Kriss Super V Magazine Extension Kit G30 Only

Quickly and easily converts your Glock 21 .45 ACP thirteen round magazine to a full thirty rounds. Inner and outer sleeve of injection-molded proprietary Magpul Industries fiber-filled polyamide composite. ISMI premium aerospace specification alloy spring designed for long-life, uses standard Glock 21 .45 ACP magazine body, follower and baseplate components.