Quote Originally Posted by handlebar View Post
This video shows how to change the striker spring which controls trigger pull. I used the Wolff 5 lb spring, not the MCarbo. I see no reason to change the striker block spring. I like the stronger spring for the block...adds a little extra "safety".

https://www.youtube.com/watch?v=MTET6m-vgR8&t=36s

https://www.youtube.com/watch?v=t64ckeGGXPQ&t=698s
Yea I've done that with my K9 and K40. I'm interested in polish the trigger and trigger bar spring.