The 147 shoots great in my Tikka, 140's do was well. Just FYI, Tikka barrels are known to be very accurate but slow.
My 24" CTR:
147 ELD-M
40.2 grains H4350 (slow lot)
Starline brass (case capacity about the same as Lapua)
Velocity: 2585 FPS, ES 13, SD 5.
You will find that accuracy nodes...