The KRISS MagEx2 Kit is expertly designed to enhance the capacity of your standard Glock magazines for Gen 3 and later models. This state-of-the-art kit comprises an extended baseplate an outer sleeve and a reinforced spring all crafted from robust lightweight composite materials. When paired with the factory-standard Glock magazine body and follower it ensures exceptional feeding reliability durability and style especially when used with the KRISS Vector. Caliber-specific for 9mm 10mm and .45ACP the MagEx2 is intended for standard G17 G20 and G21 magazines boasting an impressive 40 rounds at 9mm 33 rounds at 10mm and 30 rounds at .45ACP. This innovative solution is perfect for enhancing the capacity of your KRISS Vector Glock handguns and any pistol caliber carbine compatible with Glock magazines. Highlighted Features:- Comes with an extended baseplate outer sleeve and a reinforced spring- Available capacity of 40 rounds - Compatible with Kriss Vector and Glock 17