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disseminator · January 28, 2018, 11:52 PM

While I always use a Magnum Primer myself in the 7RM, I suppose it would depend on your choice of powder and expected operating temperature ultimately.

January 28, 2018, 11:52 PM	#2
disseminator Senior Member Join Date: November 26, 2016 Location: Minnesota Posts: 1,012	While I always use a Magnum Primer myself in the 7RM, I suppose it would depend on your choice of powder and expected operating temperature ultimately.