[Stumper]

minnfinn, EVERYTHING in handloading is "at your own risk". The more data one collects from various sources the more it alll seems like alchemy rather than a modern science. I once had a large quantity of magnum primers to use up. I loaded them behind Red Dot in STARTING level loads and used them in plinking rounds. The ammo performed just fine and pressures may have been highER than with a standard primer but they remained LOW nonetheless.