6.5 ackley jordan
He is dead on about the recoil and a muzzel brake. Just be aware that muzzel brakes have their drawbacks. Mostly the horrible report. Nerver let her shoot it without hearing protection ! If you are at her side then you to and hold on to your hat. Oh , one more thing , when shooting from the prone position clear from around the muzzel or be prepared for a face full of dirt , dust , and leaves. Not a problem if you know its coming but if not...
I came to the 7mm party long ago with the 7mm-08. The 7mm rem mag is about as good as it gets for north american big game. I'm on the 7mm wsm wagon now but if I wasn't it would be a 7mm rem mag for me also. I only went through a half dozen rifles before I got hooked on 7mm.