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Hollow base bullets have been around along time, I believe Minnie-balls used during the civil war are made that way so that undersized bullets can be loaded easier & faster in dirt barrels, but still expand to fill the rifling for decent accuracy. I cast some years ago using wheel weights, and they didn't work very well (50 cal.)
My concern is a modern handgun would be if the lead is soft enough to expand into the rifling, that it may also soft enough to lead the barrels. I would definelty use with low power loads only. Hard Cast lead bullets can be pushed pretty fast without leading problems.
My concern is a modern handgun would be if the lead is soft enough to expand into the rifling, that it may also soft enough to lead the barrels. I would definelty use with low power loads only. Hard Cast lead bullets can be pushed pretty fast without leading problems.
