I have a heap of ap100 here left over from 357 mag
I thought I might use it up in 44/40 (only other pistol round i shoot) but no data
Looking on the adi equivalent chart they say ap100 is equivalent to imr sr4756
Looking at the imr data and they have sr4756 data with the 200gn cast bullet
The exact bullet I use
So could I use a recommended sr4756 starting charge or just under
Of ap100 to get a starting charge
Only intend to load light for cowboy ammo to practice with instead of shooting black powder constantly
Cheers
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