Kurt
Nope , you can't just assume that a 16% difference for one round is the same for another , its even worse with little rounds like the Jet , Hornet & Bee were just a 1% or 2% can make a world of difference in pressures .
I'll send you a PM with some of the loads that I have worked out for my Jet , it should give you a place to start anyhow .
stimpy