So used to be a member here a long time ago, but things happened and I'm back with questions. I've been handloading now for years, and I have always used IMR 4895 for all my loads and calibers from .223 to .308 to 6.5x55. 7.5x55, 30-06, and 7.62x54R. I've won gold at the CMP nationals with it as well as every other color of medal. I also shoot long range very often and have modern rifles for the task. I come here today with a question about the relevance of the 'extreme' powders that are available now and have been for a while. I've used Benchmark and Varget and found both to be of poor lot-to-lot quality and neither display the so called temperature insensitivity that is claimed by the manufacturer. Having used all three powders in all of the above cartridges (with a few exceptions), I had the best results across a spectrum of temperatures with IMR 4895. So what's the deal with that? I am beginning to think that, based on my testing and the results I have gathered, that there is no such thing as a temperature insensitive powder. I may go so far as to say that the results on the hodgdon website are just marketing hype and that there isn't really a difference at all. has anyone else had this experience with these powders? I am very curious to hear what you have to say about this, people of the internet.