use the wheel weights. batteries only use a thin coat of lead oxide on the plates...not enough in one to make even one bullet. most of the lead recovered from batteries is in the terminals. also, wheel weights are an alloy that includes other metals that give a harder bullet. this reduces leading in your gun.
as for casting speed that someone asked about, i can do 3-4 pours a minute. with a 2 cavity mold that means several hours to cast 1000 bullets (you have to add the time to melt additional metal every so often). that said, i usually use 6 cavity molds for large runs which speeds things up considerably.
as for casting speed that someone asked about, i can do 3-4 pours a minute. with a 2 cavity mold that means several hours to cast 1000 bullets (you have to add the time to melt additional metal every so often). that said, i usually use 6 cavity molds for large runs which speeds things up considerably.
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