In the past we heard of the plating peeling in the chamber and sometimes the barrel.
Might be worth contacting Kahr and explaining the situation. Maybe you'd get lucky and they would send a new barrel.
In Memory of Paul "Dietrich" Stines.
Dad: Say something nice to your cousin Shirley
Dietrich: For a fat girl you sure don't sweat much.
Cue sound of Head slap.
RIP Muggsy & TMan
"If you are a warrior legally authorized to carry a weapon and you step outside without that weapon, then you become a sheep, pretending that JOCKO will not come today."