I use the 300ultramag for elk and moose due to it's flat trajectory and high energy at longer distances.It works great but recoil is much harsher than the 30-06 or 7mm rem mag.For deer I use the 7mm stw as the power of the 300ultramag is not required.Most people will find the milder recoil of the 7mm rem mag or 300 win mag more to their liking and if you don't shoot long distances as in the 400 yard range or further the ultramags offer no real advantage over the standard magnums.