1:8 twist Mcgowan 26"
140 amax bullet
0.010" off lands
44gr IMR4350 barrely compressed load
Lapua brass
CCI br2 primer
2780fps when its in the 80's and 26.14 inHG
No signs of pressure at all.
seems like most people settle around 44.5g
I worked up to 44gr obviously and so should you...obviously

I only have 60 rds down the tube, but so far 3/4" @ 100 and 1/2 MOA at 450yrds