About this 3D model

picatinny lamp, scope... - holder up to 1 inch diameter, modifable length, diameter, screw... with the variable gap you can change the size of the picatinny-profile (for my profile i needed gap=1.4). version 1.2 is a little bit bigger and the screw-gap is larger (3 mm) version 1.3 has a second screw hole for a better holding of the rail