Sierra Infinity 5 Suite gives following for the Nosler 338-250gr. Partition Gold, moly free bullet @ 3016 fps. sighted for 200 yds.
225yds= -1.12, 250yds= -2.58, 275yds= -4.37, 300yds= -6.51, 325yds= -9.02, 350yds= -11.92, 375yds= -15.2, 400yds= -18.89.
Hope this will help, nothing works like actually shooting at the longer ranges.