I would think that a bullet in the 160 +/- gr. weight would be about optimum as a "one bullet" for all purposes choice. If you are not a hand loader, not to worry. The 7mm. Rem. Mag. is so popular that there is a myriad of high quality hunting ammo out there. I'd suggest buying 3-4 boxes of high quality hunting ammo and find the one that groups the best. That's be my choice.