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I have not pushed my loads this hot, yet (and may never) but buffalo bore claims they can get up to 2350 with a 300gr bullet, so lets use that as our max velocity in a little example.
Muzzle 2350fps Energy 3679 Drop 0 Flight Time 0
200 yards 1550fps Energy 1600 Drop 6.0" Flight Time 0.315 seconds
325 yards 1192fps Energy 946 Drop 36" Flight Time 0.593 seconds
450 yards 994fps Energy 659 Drop 105" Flight Time 0.941 seconds
Even at 450 yards, drop is not sever to the point of being out of the scope's range of adjustments. It works out to a little over 23MOA, which is very doable. And power still rivals the old 45 Colt handgun rounds at thier muzzle. But look at the time of flight...ALMOST A FULL SECOND!
That is what makes the distances count as "extreme" when using a 45/70. Wild animals move, often unpredictably, you simply can not take a shot at a distance where the flight time is so great, that the animal may no longer be where it was standing when you pulled the trigger and be confident of Any hit, let along a good vital hit.
That is how I limit my range with the 45/70, and the logic I use....others are free to do however they see fit, and I am not trying to say that my way is the only one, or the best one...but I'll be hard to convince otherwise.
Though I should also mention....Wind Drift! Definetly another limiting factor with these type of low BC, low velocity rounds which contributes to my view of 350 yards being "very long range".
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