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Fair enough. What do you do and when do you make the determination?
I’ve never found a shooting bench out in the wilderness. Nor an animal with a paper plate or bullseye on its side (that I’d like to shoot, anyhow). Those are useless and crap in making such determinations.
Shooting positions and heart rate: Simulate actual shot scenarios and much as possible. Get your heart rate up. Do a bunch of wind sprints, jumping jacks, jump rope, or burpees. Whatever it takes to best mimic hiking up a couple hundred feet in elevation and seeing the biggest trophy class animal you’ve ever seen in the wild. Your heart will be beating like crazy. Get it to that point.
“Target”: Take your shot. With your weapon in an actual hunting scenario. On top of a backpack. Leaning against a tree. Offhand. Off a monopod. Or whatever setup you will be shooting with while hunting. And shoot at a brown blob. You aren’t killing targets in the field. Aim small miss small. Pick a spot, pick a point, pick a hair.
Wind. If one hasn’t figured out wind at this point they won’t in a week. If that’s the case, no business shooting past 300 or 400 yards, at best, with anything greater than a light imperceptible cross wind. Head wind or tail wind different.
Shooting hundreds of rounds off a bench with rest, with low hear rate, at a tiny little paper target, and no wind is just wasting ones time at this point. Might build a false sense of confidence, if that is important.