FIREARMS INSTRUCTOR JOBS NO FURTHER A MYSTERY

I did find a fairly good kydex IWB holster for the HP22. However, if I were being to at any time carry it, I would wish to find a fantastic pocket holster (ideally kydex).I seasoned no FTFs, no mis-fires and no FTEs. I will attempt to follow the mfgr's suggestion to utilize typical velocity. Is there a reason that the standard velocity ammo typical