I've run into a lot (about 300!) of 45 ACP brass - Argentine army, issue is Berdan - that has been drilled in the center, so they have three flash holes. I tried a few with CCI standard primers, they seat ok and velocities measure up reasonably well (IPSC, with 5 gn Unique - ok, i like the smell - and 230 gn lead rn.: apparently they work... now, am I pushing my luck?
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