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Discussion in 'Reloading' started by rafi1982, Apr 24, 2013.
has someboudy test imr 4350 with rem91/2mag primer?
I have never used Remington 9-1/2M, but have used CCI 250 Mag primers. My rifle was able to meet maximum loads, but there were definite signs of pressure. Flattened primers etc. I would start and the bottom end and work up for sure.