Originally Posted by LDHunter
I only used one rifle and one caliber for actual testing but had a hunting load for a 308 that was loaded with Varget and only saw 28fps average variation between 94 degrees F cold barrel shooting and 26 degrees F cold barrel shooting.

My old load with Rx 15 produced 73 fps variation


That's pretty much exactly what I've seen with both powders.

“Perfection is Achieved Not When There Is Nothing More to Add, But When There Is Nothing Left to Take Away” Antoine de Saint-Exupery