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I don't think anyone could definitively say for sure. But I doubt it would be much if it did

All valid points except I wouldn't put true flite in the same repeatability league as Bartlien being buttoned vs cut and unless the barrels were made sequentially the more wear on the rifling button...

Yes never identical but they can get damn close. Matches guys often by multiple barrels and own there own reamer and can reuse load data from previous iterations to damn near the same results saving...

And some of these longer more modern projectiles are tending to show that extra twist helps with BC as shown by Byran Litz Testing of the Accubond long range projectiles.

It could lead to more pressure for the same load same as a bullet seated deeper in the same rifle should up pressure and therefor velocity but if you went and loaded both rifles the same pressure the...

Not quite that assumes that all energy from burnt powder is instantly passed on to the projectile but realistically it has intertia and take time to accelerate similar to dropping a bullet from a...