Today I put a mix of 230 gr thru a friends chronograph.  Remington, Fedarl, winchester, none of the rounds were under 740 fps.  I think 740fps would give me 170,200.  I had a few diffeernt 185gr.  none of them would have made Ken suggested `170,000 in the 3" Kimber.

  

Rusty
Texas
A54350