Originally Posted By: EMP3
I've bought a pound of IMR-4198 for my brand stanking new Triple Deuce. I have a feeling it'll be the only powder I'll need. I can load my big game rifles with only H-4831 & be content.

Hodgdon 4831 is very temperature stable, and IMR4198 is pretty good also, that's why you can use them year round with zero problem. If you were using temperature sensitive powders you would see a difference in climates that swing over 110 degrees.