Re: 300 Norma Mag
If you know how to manage carbon fouling and heat checking you can expect 900 good rounds out of the 300 Norma. The 30-375 is a better balanced round. By that I mean you get enough of a boost in velocity over the 300WM without increasing recoil much, as well as shortening barrel the life. It works with a .523 bolt face VS the need for a custom action for a 300 Norma. It works very well with heavy bullets. I've shot it out to 2K. With that being said there are no free lunches.