Magazine Spacer for the Glock® (Use 19 / 23 Magazines in 26 / 27 Pistols) - Black Polymer - ProMagThe ProMag magazine grip spacer grip extension allows the use of Glock 19 23 magazines in Glock 26 27 pistols. The spacer takes up the space between the bottom of the frame and the floor plate of the longer magazines. The spacer is held in place by a single allen head cap screw. The spacer is textured to match the Glock pistol frame. The spacer is constructed from injection molded black polymer. Does not fit Gen 4 Glock pistols. Features Spacer is