Reload suggestions for a 338 Lapua Improved Lehigh bullets&Retumbo
.I have a 338 Lapua Improved with a 35degree shoulder and a 28.5 inch Krieger barrel. My stnd. load is 96.5 g H 1000. I get decent velocity(2900FPS), low extreme spreads and mild pressure signs...I have exhausted my supply of H1000, but I have just received 50 Lehigh bullets, and have a lot of Retumbo...so here is the question. If I had the H1000 I would maybe back off a few grains and work from there, but I have zero experience with the lathe turned solids and I don't know if they will shoot well in my rifle and what load of Retumbo to use...Anybody here shot the Lehigh .338 ? Any ideas about the Retumbo load? I can extrapolate from previous load data with a stnd. Lapua and both powders, but the solids are an unknown.
Thank you 30-338