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Centurion · June 25, 2020, 04:13 PM

Sorry but I cannot help you... My experience is only with the 43 Spanish. To me, the best cartridge the RRB ever shot in the black powder era. Even better than the 44-77 Sharps...

Anyway, IMHO about your question, I suppose that you can short the OAL as far as you keep proper headspace, and you will not notice any accuracy variations. And using holly black or a substitute like Pyrodex the pressures will not increase to an unsafe level with a little more compression.

June 25, 2020, 04:13 PM	#2
Centurion Senior Member Join Date: May 9, 2016 Posts: 270	Sorry but I cannot help you... My experience is only with the 43 Spanish. To me, the best cartridge the RRB ever shot in the black powder era. Even better than the 44-77 Sharps... Anyway, IMHO about your question, I suppose that you can short the OAL as far as you keep proper headspace, and you will not notice any accuracy variations. And using holly black or a substitute like Pyrodex the pressures will not increase to an unsafe level with a little more compression.