Sam and John, Parker specified dram equiv. in their load data but as we all know depending on what powder is used the pressures can be all over the place.Also we know that yield strength of steel deminishes with age.I shoot both damascus and fluid steel guns with either RST or my own hand loads in these great old guns and I chose to err on the side of lesser is better because these are great OLD guns.
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"Much care is bestowed to make it what the Sportsman needs-a good gun"-Charles Parker
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