Re: .243 Win
GB493 90gr Lapua Scenar with 44.2gr. of VV160 @ 975m/s COL 2.810 in lands, Lapua brass, CCI - stable 0.3'moa@100m results on my sps 9.125 twist. Next sweet speed is 1015m/s with 45.7 of VV160 but very depends on seating/brass preparation.
Berger 95's should be also interesting on...