I don't think melting the base will be a problem. It's not 357 pressures and I wont be hugging max anyway. I'm guessing 8.0 gr of PP or 7.0 gr of Unique to start but want to be sure.
These are intended for my RBH convertible 45 acp cylinder. Not to max it out, just to go into a +P area so it may be appropriate for a woods walking gun over standard 45acp loads. Cheaper to load than 45 Colt too.
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