i have in my collection of molds 4 which i do not know what gun they are for, possible one of you know. 450229 155 gr., 457195 225 gr., 445599 250 gr.,, 45369 291 gr. fellows i inherited these from a caster who was a very good friend and he shot all kind of lead bullets.. any light you can shed on this i would deeply appreciate. thanks cjs