Sorry- they are gonna tell you no, he can't carry it. Doesn't matter if coyote hunting
. If you coyote hunt during a big game season, you have to carry something less than. 24 Cal.
I asked similar question regarding my daughter. She's 13 and willing to walk and hunt, but on some of the steeper hills or in deeper snow I thought it would be nice if I could carry her gun to help out. They said no- it appears I'm hunting regardless of the story I tell warden. You may get a different answer but I double it.