To quote Robert Ruark, "...use enough gun!" I've yet to be convinced the .204 is adequate for coyote, regardless of the bullet weight used. I've heard far too many stories of wounded 'yotes getting away with multiple bullets in them from the .204. That's one of the main reasons I'll be sticking with my .22-250s & .223s for "big" predators. I'd much rather accept a little pelt damage than allow an animal to escape and die a lingering death. No offence intended, but you might want to consider switching calibers rather than bullet weights for your song dog hunting!