I'm developing new loads for my new F/TR gun. It's a 308 Win, Bartlein 30" 1 in 10 twist heavy varmint contour, throat depth .085. I'm loading the Berger 185 grn match hybrid in Lapua brass, CCI BR2 primers. I'll be trying Varget, VHT N540 and VHT N550 powders initially. Based on my...