.22 Mag.
I've used a .22mag a lot of times on coyote. But it really isn't the gun for coyote's. It's a little bit undergun for a yote. As you'll find out if you try and take shots 100yrds or longer. A yote can take a lot of lead and abuse. Just make sure you go for a head shot. Now the .22mag. is an excellent gun for fox. I'll use a .22mag when I'm hunting the swamps or thick hardwoods, where shots are going to be close. And my 22-250 will cause way too much damage to the yote. Besides the scope I have on the 22-250 isn't good for shots at close range. I am also planning on purchasing a .17hmr. and trying that on yotes. Here in Michigan we aren't allowed to use anything at night except a rimfire, or a shotgun, and your not allowed to have any slugs in the gun or on your possesion. Keep your shot under a 100yrds. And better yet, closer to 50 or 60 yrds.
Coyote caller