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Daveosok is pretty much right on the money. It's very possible that you would accomplish the highest velocities using Reloader 25.
Check this link out!
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Eaglet - I'm very suspect about "Loads" like this from that forum. The same guy posts two of the fastest loads and gains 70 FPS going from 94 to 95 grains. I also have a friend who told me fantastic speeds out of his 7mm pre 64 Rem. Well I've owned and shot my 7STW with a 28 inch barrel for 12 years with lots of chrono time.
He was getting his speed numbers from old reloading books. He figured out if a bullet can go 3000 fps with 70 grains of powder and 3100 with 74 grains of the same powder if he puts 4 more grains it must be going 3200 and 8 grains over even though he's losening up the primers and leaking around the belt that it must be going 3300.
Without chrono time and some thought about powder burn rate tables it's hard to blanket tell what the best powder for a given gun/bullet
I also have never shot sub 7mm 160 gr out of my STW. If you do some time on the BC tables that 140 grain bullet even starting out 350 fps faster than heavy higher BC bullet. At 400 yards the 168 grain or 175 grain might be going faster with lots more energy.