Lots of caliber options out there for what you want. Not sure what will be the best for you, that's a personal choice at this point, another thing to consider is the terrain you hunt the most. If most of your shots will be under 300 with the occasional across the canyon at 700 or if it's just the opposite where most of your shots will be long and the occasional close one.Currently, no. This is all the end goal. I have shot almost to 800 yards, but just for fun. Wanting to ensure my rifle and ammunition are up to the tax so then I can focus on myself.