You're going to have trouble staying in that range. The powder manufactures will tell you even though there may have been data for that pressure, it's undesirable for consistent pressures and velocity and may result in bloopers, especially in cooler weather. And, there's no need to stay that low. BP loads had higher pressure than that. Looking in my Lyman BP handbook some 12ga loads had 5950 LUP loads that translate to around 6950psi, or shall we say 7000psi. Most guys here try to stay around 7000 give or take a couple of hundred. I personally try to keep under 7500. Maybe one reason you didn't get a answer was at the pressure you want if you did get a blooper and left a wad in the barrel and next shot [ without checking the barrel ] the barrel blew up, you'd then claim you loaded what they recommended and it was their fault the barrel blew up. It's called "cover your a** " in this day and age of lawsuits. You're being overly cautious.
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Paul Harm
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