Keith, let us know how that load works out. I once shot a couple of RST 1oz shells and man they were nice, soft shooting shells. They were as nice as my 3/4oz loads. I was really impressed. That's a little bit of difference between 16.5 and 20grs. It still doesn't sound like a 20gr load at under 8000psi is anything to worry about. I wish I had some to try. I think I'd try around 18grs to start.
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Paul Harm
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