questions on the k-hornet

[Possum284]

I have a savage model 40 in 22 hornet and want to rechamber to some form of k-hornet or a different variant I just want to know which variant of the regular hornet provides the most increase in performance. bsicaly which one shoots fastest and I already know if I want more velocity get a bigger. I'm workin on that too. Thabks for any help