When my Ego 10 is first used after a few days and chronographed its way over 300fps...so i adjust it down the way and re chrono to about 270/280 after using it for ten mins or so it then chronographs at 190-220..so i then have to adjust it back up the way....why would this be?
(New battery, cleaned and oiled as instructed)
thanks
(New battery, cleaned and oiled as instructed)
thanks