Test fired some 300 Blackout rounds that I reloaded with hand cast lead bullets. Most of them chambered ok but the accuracy was terrible. Only one or two bullets hit the paper target at 75 yards. Even more disturbing was every round blew out the primers when fired. I was hand loading a couple of cast bullet rounds without the magazine in the gun only to have a discarded primers drop into my hand. I checked the other casings and none of them still had the primers in them.
The pulled 308 tracer bullets I bought a couple of weeks ago fired just fine. I very carefully indicated these bullets in my lathe and turned down the bullet shanks. Before, the bullet shanks were out of round and tapered so when loaded into the brass the neck was oversized and would not enter the firing chamber. I turned down the bullet shanks to .3070. These bullets cost me $39 for 250 bullets. However, it takes me just over one minute to indicate the bullets in my lathe and turn them down. These bullets fire fairly accurately and the primers remain in the casing after fired.
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