Yes there has been overshot cards forever - thin ones. They are around .028 thick. Bill, I'm interested in who still uses a OS wad in factory loads today. About the only time they're used is for roll crimps or some use them for when they get a hole in the star crimp and want to seal it. I haven't seen or heard of any factory roll crimping today. Craig from Circlefly sells a thick OS card that is to be used in brass cases so you don't have to glue in a thin OS card. I tried them and got about a 12" hole in the center of my patterns. The same load useing a standard thin OS card had good patterns. I'm not saying this will happen to everyone - but I won't use anything but a thin card for OS from now on. Paul
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