I am taking my daughter for her first elk hunt this year. The dilemma I have is this: she is a small structured woman and the calibers I currently have is a 300 win mag, 338 win mag and a 240 weatherby. I know she will not be able to handle the recoil of the 300 or the 338. I don't want her to become recoil shy or turn her off completely to shooting. She has shot the 240 weatherby and likes it very much, however, the recoil is close to the maximum she is comfortable with. My question is this: will the 240 weatherby be enough gun to take an elk out to 400 yards? If not, then what caliber would be a good choice for her with enough knock down power at 400 yards and still have mild recoil? Any advice would be appreciated.