Congrats on it's arrival, IMHO, Either powder will work equally well. Both Powders were developed to be used with reduced loads as well as full power loads in many cartridge applications. Both powders were developed to achieve complete combustion with as little as 5K pressure. I have used 4759 for more than 20 years shooting Cast Boolitz. I have also use 5744 since it's inception under all of it's different headings.
An interesting find to me anyway, in the most recent Hornady Reloading Manual, all the loads listed for the 45/70 in the above mentioned powders, will give you the very same FPS in a ML10II with that weight bullet. I use Harvester SB sabots.
You will also be pleasantly surprised that you don't have to use loads as powerful as book listed loads for most of your shooting enjoyment. IMHO, there has never been a more Versatile Muzzle Loader than the Savage ML10 series.
Ken
Central NY
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Ken
Central, NY
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ΜΟΛΩΝ ΛΑΒΕ
All The “Rat Bastards” In DC Know Obama Is Not Eligible
Boolitz = as God laid it into the soil,,grand old Galena,the Silver Stream graciously hand poured into molds for our consumption.
Bullets = Machine made utilizing Full Length Gas Checks as to provide projectiles for the masses.
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