I have been playing around with 123 gr. amax because im out of vlds.im using h 4350 cci primers. I started getting heavy bolt lift at 47 grs. Is that not a lil soon to see pressure ? I was shooting 130 bergers with 4831 sc with good accuracy at 2925 fps. But the amax opened my groups to 1 moa with that powder so tried the 4350 and seems to be pretty tight again ......and maybe try some of the 130 vlds with that powder when they are available again ! Let me know your thoughts guys