My Kahr K9 has never not worked through around 3K rounds, and 10 years. i can load 7 different brands of 9mm ammo in the mag and it works like it should.
I have the star 9mm also its a good gun.
If You dont want a safety it makes the choices tougher.
I have spent some time on the Kahr forum and the K-9 seems to be one of the guns with the least problems that Kahr sells.
Then there is the S&W 3953 no safety.
Good luck