Yes, I would replace the spring, especially if that is your EDC for now.
I don't see it listed at Wolff gunsprings. You could always order it directly from Kahr. I see it's only $9.00 plus shipping.
Click here: Kahr CW40 - Style # CW4043, Kahr Arms Parts
I don't see it listed at Wolff gunsprings. You could always order it directly from Kahr. I see it's only $9.00 plus shipping.
Click here: Kahr CW40 - Style # CW4043, Kahr Arms Parts