Looking at getting the newer hunter 110 in .223.

I intend to use the rifle for target practice and for coyote hunting. Since I would like the boys to use it for target practice, and they can be inpatient at getting their turn, I would like to know roughly how many rounds of factory ammo can be run through before the barrel gets hot and the barrel deviates. Looking at shooting 40 - 50 rounds / hour.

It could be that this is not an issue. The 110 varmint is a no go as I do a lot of walking while hunting.

Thanks
Tsucol