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be sure to do it all with a cold fouled barrel

nothing in your link about 7mm08 with 150gr plus bullets.
and a did say a decent load, not poofter factory ammo

Essentially all it is, once you have fond your load, then what you do is.

Load up 15 rounds (9 can work too)

then break them up into 3 groups, and then you go to the range and chrony them...

Sorry i see you already supressed it.
If you are willing to calibrate SUPERFORMANCE powder for the temp instability then you can chop it to 18" too and still get enough speed to get to 500-600...

Leave it as is, i shoot the 150gr berger VLD out of my 270 Tikka at 2900fps. At lower elevations i can kill deer out to 650 yards nd high elevations out to 800 odd yards. Longest kill with it was 810...