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Old 05-15-2011, 11:46 AM
elundgren elundgren is offline
Join Date: May 2010
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Default Regular Primers vs Magnum

How much of a problem is it if you use magnum primers (CCI 350s) when regular primers as called out for the load in question? The reason I ask is I have been using Winchester primers which say they can be used in either role but just bought some CCI 350's without thinking about the fact that they are specified as magnum. The book says that pressures can be higher, as much as 5000 psi, without significant velocity gains. How do the Winchester ones get away with it then?
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