Have the P380, bought new. The book says 200 ounds breakin.
It is closer to 600. I felt the mag go in as soon as I hit the breakin point, everything finally felt RIGHT.
Has been perfect since, but the breakin cycle is a pain..and expensive.
Versus the Ruger, I have no opinion. The Kahr is a good, tight, durable weapon. Have a CW9 and K9, which is probably one of the premier small 9s out there.
Trigger pull is long, but it has no safety, and these aint competition guns. When used, it will be at close range with limited need to aim, so the trigger pull to me is not an issue.