Originally Posted By: etmciIMR 4895 is not temperature sensitive. It was originaly developed for military 30 caliber ammunition. Military ammunition has to function in all temperature ranges. I think the firearm you intend to use it in probably will function with whatever safe load you work up. Remember, I said safe.
Wasn't it Hodgden 4895 that has a military history? If I recall, there is a story about how IMR4895 came to be. Just remember that the load data for one is NOT the same for the other.
