The SAAMI Handgun standard for bullet diameter in .44 Magnum is .4320", +.0000"/-.0060". .44 Special is .4325", +.000/-.006". .431" is within specification for either cartridge. Why would you be hesitant to use .431" bullets, lack of knowledge???
FWIW the SAAMI standard for Rifle is .4320", +.0000"/-.0030".
Last edited by Alk8944; 11-24-2016 at 09:58 PM.
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