GLOCK OEM Plus Two Magazine Extension, Does Not Include Mag Insert, 9MM, 40S&W & 357 SIG, Black, Not G43, Must Purchase OEM Magazine Extension Insert (GLSP07165) Separately, Packaged 50975

This Glock Factory Magazine Extension is a factory original from Glock. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts which guarantees excellent fit and reliable operation.