Been searching for load data for the 250 Savage using an 85 grain pb boolit. Was poking around the Universal Unique sticky, Unique is what I intended to use. Then, in the 44 Treasure Trove I found the Lyman Ideal #40 1955 manual which has a bunch of loading data for cast 250 Savage. Super!
I ordered 500 of the Meister Hard Cast Bullets and will do some serious plinking. If there is anyone who has experience with this cartridge and cast boolits especially in the M99 (I have two), please chime in.