The Kriss Mag-Ex2 extended magazine is a fully assembled Mag-Ex Kit 2 with a factory standard Glock Magazine. The Mag-Ex 2 is the perfect match of reliable feeding, toughness, and aesthetics for the Kriss Vector. The Mag-Ex 2 is designed for your Kriss Vector, Glock Gen 4 handgun, and your Glock magazine-compatible pistol caliber carbine. DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.