I have Kimber Montana's in 243 and 7-08, same rifle, same 6x42 Leupold scopes, same Talley Lightweight ring/base combo. I shoot 85 @ 3200fps from the 243 and 120's @ 3050 from the 7-08. The 7-08 definitely has more recoil but it's less "sharp" than the 243. Neither are particularly harsh even...