My pet loads for .270 run 150gr projectiles pushed by 57 grains of IMR7828.
150 SST and 150 Grand Slam - depending on what I am trying to kill. Typical (chronyed) velocities are 2850-2900 from a 22" Savage 111.
The SST load is .75 MOA. The Grand Slam is more like 1.5 MOA but more than good enough for moose and elk at "reasonable" distances.
I don't think the 7828 will mix well at all with the 129 LRX though (7828 shines with heavy-for-caliber bullets), so my info is basically irrelevant.
Last edited by CroMagnon; 01/14/19.