Powder for accurate load for 357 JHP 4"

Groo here
If you want a load that shoots the same use a lead bullet.
All things being equal a lead [ hardcast bullet] will produce about
100 fps more speed from a given load as a jacket.
This will allow you to get the same ummp from your load with
a reduction in pressure .
"reduce the pressure by 10% and the speed goes down 5% give or take]
 
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