Hornady "Black" and "Match" Factory Ammo - Hmmm!
#13
That's bizarre. Hornady's 87 data is a lot closer to their 80 data then their 90 for powders presented for all 3. I guess those GMX's have above average bearing surface while the 87 Vmax is below.
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RE: Hornady "Black" and "Match" Factory Ammo - Hmmm! - by StoneHendge - 10-26-2020, 04:21 PM

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