Salixco, 3031 was a typo on my part. It should have said 4320 or Reloader #7. I would imagine any powder suitable for a .222 or .223 would be appropiate. I've had good success with VV-133, IMR-4198, IMR-4320, H-322, H335, RE-7. There are several other new powders around that I have not had a chance to try that should work well. Jim

For what it's worth, Reloader#7 is quite popular with 17Rem shooters here in the UK.