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Old June 25, 2019, 06:22 PM   #12
Aguila Blanca
Join Date: September 25, 2008
Location: CONUS
Posts: 14,612
Originally Posted by Jleonard
I don't know how much a bullet s affected by a few tenths of a grain of powder or bullet weight, or by .001 smaller/larger bullet diameter, etc.
Perhaps the reloading guys can shed some light on that.
Never mind reloading. Just look at commercial ammunition.

The Sportsmans Guide Company doesn't have the best prices on ammunition, but they're often competitive. They sell a lot of ammo. More to the point, their listings include the muzzle velocity and muzzle energy for all the ammunition they sell. Since the OP asked why point of impact varies from one ammo to another within the same caliber and bullet weight, I would invite him to peruse the offerings from a number of ammo makers and see the difference that exists from one make to another, even within the same caliber and bullet weight.
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