I would love to have a fast twist edition of this cartridge too, would make a better long range gun than my current one...that being said, for a calling gun, with most shots at 200 and closer, this one is my fave and not sure I'd ever swap if I had the chance...I have killed them out to 325 yards with this gun, and that was an educated public land coyote that gave me a great background to shot against...if I go out with longer ranges in mind, I take my 6.5-06 😁