Shot the 180 BT with VV n530 today. 46.5 with an OAL of 2.775 shot just under .6”. FYI, The same load at 2.815” shot about 2”. Those bullets are very picky about jump. Next step is to try the n530 in the cold. A temp stable .6”ish 180 bullet at 2780 is not a bad thing.