Made in the usa, this grip spacer allows glock 17/22 magazines to be used 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.It is held in place by a single allen-head cap-screw and is textured to match the glock pistol frame.The spacer is constructed from injection-molded polymer.Note: this item is not compatible with gen 4 glock pistols.Caliber: 9mm Luger/40 Smith & Wesson (S&W)Capacity: N/AFinish: BlackModel: Magazine SpacerMaterial: PolymerType: Magazine SpacerModel Fit: G17, 22Brand Fit: GlockCapacity: 0