Originally Posted by
sinister
Factory 168 Match King Fed Gold Medal Match out of a 24-inch 1-12 barrel starts having trans-sonic stability issues at around 875 yards in the summer at 300 feet above sea level. A 175 will have issues just short of 1,000 if you're using a 1-11 or 12 twist.
For 1,000 yards with a Sierra 175 you generally want 2550 fps muzzle velocity (or better) with a 1-10 twist. A 16-inch tube (even with a tight twist) will be around 2475, and the Lapua 17 and 175s will be around 2485.
A 185 Berger Juggernaut shot from a 20-inch 1-10 is stable to 1,000.
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