Update on RL2217 used in place of H1000. I loaded 3 rounds with 88 grains 200 grain partitions of H1000 for my 300 ultra mag, I loaded 3 with the same bullet with 88 grains of rl 2217. Both shot .5 or less and within 14 fps . The RL2217 powder also was used in a 7mmSTW with excellant results as well.