Hello,
My Tau-7 is set to give ca. 470 fps with JSB Match (Green, 7.33 gr.), and at that setting gives an average of sixty-eight (68) shots per 12g CO2 caplet.
I use targets from the NSRA & Krueger, and at ca. 470 fps, the shots holes are very clean.
Have fun & a good weekend
Best regards
Russ