I've often thought a little spot weld would be the ticket. I think they are loctited at the factory but some are missed now and then. Those are the ones that fall off.
Kahr has always been good about sending out a replacement. And the guns still run fine even without the nut.
I still check mine periodically when I'm shooting to see if it's coming loose. So far so good.
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."