Ran the numbers
10 shots 2720 avg, 44 ES, 13 SD
15 shots 2721 avg, 44 ES, 12 SD
Shot to shot SD = ~12-18 fps.
Livable numbers but if you bump up the charge the ES and SD will both come down, velocity will go up.
Thanks Swifty! I'll give it a try! Appreciate it!!