300 Win Mag.
right now, a box of decent shells runs you about 26$. I load my own for about 60 cents a piece, that is with 180 Gn Hornday SSTs. They easily break the 3000 FPS line by 200 FPS

. LOTS OF POWER!! It s worth a look.
Look at the Armalite Ar-30 .. if you dare.