Kriss USA Mag-Ex2 Extension Kit Glock 17 9mm Luger 40rd Magazine Extension, Black - KVA-MX2K90BL00

The Kriss Mag-Ex2 is an extension kit that increases the capacity of factory standard Glock 17 9mm Luger magazines from 17 rounds to 40 rounds total. The kit consists of an extended baseplate outer sleeve and extended spring constructed of reinforced polymer composite material. This extension kit is designed for use with Glock 17 Gen3-5 magazines and is compatible with Kriss Vector platforms.