With bottleneck cases, I've got the smallest sized case headspace spread tumbling cleaned brass in a foam lined coffee can with a few drops of lube on it then put it on a Thumbler's Tumbler for about 10 minutes. I use Hoppe's No. 9 with STP engine oil treatment mixed 40-60.
Compared to several spray and roll-on-a-lube-pad methods I've tried, these are not as good as the above method.
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