PRODUCT SPECIFICATIONS: Dimension     1.10 X 3.60 X 5.45 Height     1.1000 Width     3.6000 Length     5.4500 TYPE/COLOR     GRIP EXTENSION SIZE/FINISH     SPRINGFIELD HELLCAT MATERIAL     KIT OTHER FEATURES:     WORKS ONLY W/ FACTORY 10RD MAG      AND STANDARD HELLCAT, NOT PRO      IDEAL FOR CA COMPLIANT HELLCAT      MADE IN THE USA MADE IN THE USA NO DIRECT SHIP TO CALIFORNIA