that's why I suggest using the sierra prohunter part# 1540 100gr and try the Winchester 760 powder I use 37.6gr of this powder and my savage axis likes this one! not sayin yours will but I bet you might find a treat! if you are willing here I got my sierra reloading manual out and the starting load is 36.0grs and max is 39.2grs of Winchester 760 powder using this sierra 100gr sp flat base be sure to bevel your case mouth slightly to ease the bullets in without shaving them as I use a rcbs deburing tool to bevel the case mouth of burs plus it puts cuts a angle to the case mouth and it doesn't take much to do it! this data is out of my older sierra edition 5, 2nd printing on page 307 and so also I use cci large rifle magnum primers as well to help ignite the powder much better!