I own A BROWNING A Bolt Rifle in .338 And Have Been Working up Load's For it , Best 3 Shot Group So Far Has been with the .225 grain Nozzler SP with Remmington Nickle Plated brass and 71.5 Grains of IMR 4350, CCI 250 Large Rifle primer , Anyone Else worked Up load's for this Rifle and Caliber ???? if so what have you Found works best ???? 