So far I have on hand to use for .300 Fireball:
IMR4227 already had this for .30 Herrett
H110 as of yesterday
Speer 180gn fbsp
Nosler 200gn spitzer
Sierra 155gn hpbt PALMA MATCH
Hornady 150gn rn
Hornady 180gn rn
CCI and Fed sr primers
I'm figuring on trying the H110 on the 200gn Noslers and maybe some of the 180gn Hornadys as a subsonic load, and my 4227 for the 150gn rounds which will be supersonic. I have 2 chronos, so I will be able to tell what I'm doing.
Tonight's project will be to replace the plastic carbine forearm with a YHM 12" freefloat and install a milled gas block. Boresight my Leupold 12x later in the week. Expecting my dies later in the week and the brass from Kieth Davis in a week or so (give or take). Good thing I've got other projects going on or the waiting wouldn't be pretty!
Whatever load data I come up with I'll be sure and share. Usually around here it's 80 to 90 % humidity, and about 20 feet above sea level.