thats some great info that I didnt receive with my rifle. that makes a lot of sense now. I just ran a load yesterday. 41 H4350 with Magnum Federal match primers and was able to get 1 hole on 3 shots at 2830avg. SD of 5.1 ES of 9 on 140ELDMs .030 off lands... 41 and 41.1 is money for my rifle...