00 for Fox and Coyote? I use no.4 Buckshot for Coyote and no.4 or no.5 Turkey Loads for Fox. 00 Buckshot is a little big. But i would pattern it with a Mod. and Full choke and see what patterns the best. My Mossberg 835 dose good with a Full choke and Federal 3.5in 00 Buckshot.