I tried a lot of different reloading methods. That is one of the thinnest brass you will ever reload. I load the .22k Hornet and had them separate when opening the Contender about a 1/4" up from the base. I look them over before loading see the ring garbage bound. Seems to me even with different powders and brass 5-6 reloads seem to be max. Lil-Gun, H110,& IMR 4227 all work great. Oh almost forgot I use standard pistol primers with all these powders.