Start your load high, and go down in weight.
Look up load data for the 8.6 back out and that will also give you an idea.
Just as a hint.
I had a load of 9 grain of n120 in my blackout behind a 240...
Type: Posts; User: Friwi
Start your load high, and go down in weight.
Look up load data for the 8.6 back out and that will also give you an idea.
Just as a hint.
I had a load of 9 grain of n120 in my blackout behind a 240...