I have not shot that caliber in that model but I got 3 loads I will share.
Rem brass, 123grn lapua scenar or 125 nosler part, fed 210Ms, 44.5grns Imr4350.
Rem brass, 130 berger or accubond, 210Ms, 44grns Imr4350.
Rem brass, 139 lapua scenar or 140 berger, 210Ms, 47.5grns H4831sc.
All loads .015" off the lands, and if using lapua brass back charge weight off 1-1,5grns and of course always work up slowly and cautious!