22-250 does a good job on coyotes and is murderous on prairie dogs. I love my DH's 220 Swift. I liked his so much I bought one of my own. It's a beautiful custom gun but we found out whoever did the work on it did not "finish ream" the chamber. After a couple years we bought a reamer. That was a couple years ago now. I'm still waiting for my DH to ream it so I can use it. (I am dependent on him to do this... it's not something I would feel competent in at all, and he has been an engineer all his life and is very competent at this kind of thing.)
So how do I "sweetly" persuate him to finish ream that chamber so I can use it next time I see a coyote or next time we go prairie doggin'?