8/20/21 - This conversion kit manufactured between the 1920's through WW2 is for 7.65mm pistols and allowing them to utilize 4mm ammunition. The conversion kit features a rare Weiss device, and allows for a single shot to be loaded into the barrel included utilizing the loading spoon. The barrel shows strong rifling. This kit includes a cleaning rod, barrel, loading spoon, and 1 piece of 4mm ammunition.