I am seeing some case mouth splits starting at around 20 reloads of Starline brass. I keep my .45 Colt brass in boxes of 100 and don't mix with others so I can keep track of the 'reload' count. I use Triple-7 FFFg in mine slightly compressed under a 250g RNFP. Even though Triple-7 isn't real BP ... I like it because I can use my normal powder measure (can't with real BP) and use the same lubed bullets as I do with smokeless powder. Plus it has just a bit more 'omph' as well, yet generates plenty of smoke. Not for everyone ... but I like it.
I don't reload .44-40 nor have any revolver/rifle that chambers it so no comment on it.
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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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