340boy,
I neglected to add that I get 3,180 fps with MagPro and 3,228 fps with MRP with the 150 Barnes TTSX. My velocities are very much inline with those posted above. I also use GM215M primers with both powders. I have not played around with the Barnes LRX, E-Tip or GMX bullets.
Happy Trails

Life Member NRA, RMEF, American Legion, MAGA. Not necessarily in that order.