What do you think ? i am trying to develop a long range practice round useing a hornady 150 grn fmj useing wc 845 powder in my rem.vls .started with 39.5 grn pwdr.col. max for magazine 2.8 @100,200,300 meters great i achieve .75 mol accuracy but yesterday pushed it to 400 and iwas keyholeing the target bullet had lost stability what could be the culprit? oh by the way in the lee book the velocity is around 2500 fts using h335 data which was recomended by retailer and by the looks of the primer i am nowhere neer max preasure
thanks jaeger
thanks jaeger