It was alluded to above ... but using magnum or standard primers has nothing at all to do with a 'magnum' cartridge. It all comes down to what 'powder' you are using. Some powders are primer insensitive ... like Unique and Universal. Others like 4227 or H-110 require a magnum primer. And some powders like 2400 you see a big velocity (pressure) swing when switching primer types... Anyway, in your case my preferred primer is standard with Unique/Universal.
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A clinger and deplorable, MAGA, and life NRA member. When guns are outlawed, only outlaws will have guns. Single Action .45 Colt (Sometimes colloquially referred to by its alias as the .45 'Long' Colt or .45LC). Don't leave home without it. That said, the .44Spec is right up their too... but the .45 Colt is still the king.
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