Anyone ever ran into this problem. I recently purchased 3 new, factory sealed bags of 100 count each Winchester 357 cases. When I began prepping them for loading I found that about 10-12 per bag would not fit into my shell holder. A few of them would fit if I turned and spun them. I measured them with my vernier calipers and the ones that won't fit are anywhere from 0.003" and 0.006" bigger in diameter at the rim. Should I trash these or can I sand the rim to fit?