 Some small-scale production (primarily using remanufactured brass) has occurred in the United States, but handloading is more common among owners of 8 mm Nambu pistols.New manufactured brass and copper plated lead bullets (.320") are now available through HDS.Reloadable cases might be formed from .40" S&W, but this would require swaging the case heads down from .424" to .403" in a hydraulic press.