I have some Yugo 7.62x54R brass case, copper/lead bullets that are surplus FMJ.
Since the bullets are copper/lead, I want to make them HP so they will be legal to hunt with.
I have cut the tips back to where the tip is not solid copper and able to push a center punch into the lead. I'm using a 1/16" bit.
My question is, how deep should I drill to make it an effective expanding HP?
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