Trigger on the Kahr9 will never be a Champion. You will probably never use the Kahr at 25yrd & at 10ft or closer w/ adrenalin pumpin 10gal a minute, where personal defense happen it is as accurate as a Champion, my A1, a Wilson Combat, STI or Les Baer. (Some will disagree)
Get the Champion & carry it some or every day. Do not discount the Kahr. It does what it was designed to do.
Carry of the Champion or even larger is not as hard as some think. uality gear will hold it steady & tight. The weight is not prohibitive.
You can carry what you want w/ just a few adjustments.
BTW, Go accustic & that will solve one problem.
Collings D1A
Bibson J100 XTRA.