I am new to reloading rifle,but I have been reloading pistol for about 30 years. I just got a Springfield m1a in 308 and I am in a quandary with this load. I have Lymans 49th, Hornadys 9th, Lees 2nd, and 2017 Hodgons annual manual. I have varget powder, hornady 150gr fmj-bt bullets, mostly...