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357gp · August 23, 2012, 02:06 PM

Certain powders are more difficult to ignite & require magnum primers. H110 & Win296 (same powder) require magnum primers. There are many others, but those are commonly used in the .357

August 23, 2012, 02:06 PM	#4
357gp Member Join Date: April 22, 2011 Location: Long Island Posts: 20	Certain powders are more difficult to ignite & require magnum primers. H110 & Win296 (same powder) require magnum primers. There are many others, but those are commonly used in the .357