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Kachok, you haven't mentioned anything that the rest of us didn't already know regarding high BC bullets and calibers. As for my point on BC diffs being insignificant was based on same type bullets (Nosler Ballistic Tips) fired in my 260 or a 6.5 Creedmore (120 gr) versus being fired in a 257 Roberts AI (115 gr) at 3000 fps. Sighted in at 100 yards and fired to a target at 300 yards in a 20 mph crosswind. Trajectory diff, per the ballistics app I use, is 0.1 inch and wind drift diff is 0.7 inch. Depending on a fellow's expectations, that may or may not be insignificant.
I'm not trying to generate an argument, but only reinforcing my earlier point that the 260, the 6.5, and the 257 Roberts AI are very similar - with the same bullet weight and design. That's the only point I was trying to make.
I'm not trying to generate an argument, but only reinforcing my earlier point that the 260, the 6.5, and the 257 Roberts AI are very similar - with the same bullet weight and design. That's the only point I was trying to make.