I'm using nosler 300rsaum brass, cci LR mag primers.
140gr Berger hybrid - 59.0gr rl26 - 3140 fps
143gr Hornady eldx - 58.8gr rl26 - 3140 fps
shooting out of a 28" lilja 3 groove 1 - 8" heavy straight contour barrel on a savage action
had it up over 3200fps before pressure but brought it back...