Enhance your shooting experience with the KRISS MagEx2 45 ACP Black Polymer Glock Extension Kit. Engineered to elevate your Glock 21 to new heights this extension kit transforms your magazine capacity to an impressive 30 rounds making it ideal for both the KRISS Vector and pistol caliber carbines compatible with Glock magazines. Crafted from durable lightweight reinforced composites it features an extended baseplate outer sleeve and spring ensuring reliability and performance. Designed specifically for standard capacity Glock magazines this extension kit is a must-have for those seeking more firepower without compromising on quality or functionality.