I suppose I have a different take on guns and gun collections (typically accumulations, not really collections). At one time I had over 70 guns, over 50 of them rifles and shotguns. After years of handling, insuring, oiling them, and then stuffing them back into the gun safes, I finally figured out that I would be a lot better off with less guns and using each one more.
Anyway, I am at the point that I can buy as many guns as I want. I have one big game rifle, a Browning X-Bolt in 7 mag. It will handle anything from antelope to bears. Your .308 will do the same thing. The Browning is the best there is. Has to be true, because that’s their advertising
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Point is, I’d get ONE of something that’s absolutely the best you can get. I’ve shot some really big deer, but missed the deer of a lifetime (actually a dozen lifetimes) because my crap scope fogged up, so I’d most strongly suggest getting a REALLY good scope. Fortunately, there are decent scopes for relatively small amounts of 2020 dollars.
Point is, buy quality, not price. Get good with one gun. Find a load it likes and use it. I wish I had spent my money on hunting trips rather than guns. At this point in my life, the guns are gone and so is my chance to hunt.