Injection molded of the same durable material used in the magazine body itself, the extended Vickers Tactical magazine floor plate shape was designed to comfortably accommodate a proper firing grip. With 2 additional rounds on board, ammunition capacity is now 8 + 1 in the weapon. Also included is a new longer, smooth feeding heat-treated stainless steel spring, with 100% last-round slide lock backs that are guaranteed. Magazine Extension consists of Extended Floorplate, Floorplate Retainer and Stainless Steel Spring. Kit converts 1 Glock magazine.FeaturesExtended shape allows proper firing gripLonger stainless steel spring guarantees 100% last round lock backIncreases magazine capacity 2 rounds 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.