Welcome cabage to the forum.The 7mm is a flat shooting cartridge.I think if I were in your position wanting to buy my first hunting rifle I' d go for the 30-06.There are so many different cartridges and different bullet weights available for it,that makes it a very versatile round.It can be used on probably any North America species. Sure there are other cartridges with more power, flatter shooting,but the 30-06 is probably the best all around cartridge .That' s just my opinion. If I could only own one high power rifle I' d have to go with the 06.
Ruger Redhawk