Pellet speed question

One thing about air guns is once you start tuning, you make THAT gun unique out of all of the same make. Example, I had 3 Marauder 25 once, and they all shot differently even with similar HT, HS, and VLS settings, in the way of FPS. Each were eventually tuned slightly different resulting in pretty much similar velocities for a given brand of pellets. 

You did it right Bob! Field tests IS the best way to obtain data for your setting / tune.