I am using 110 grains of T7 fff, I want to try 120 grains but the quick loaders I am using would only hold up to 110. The reason for my concern is that I decided to buy 200 rounds of nosler partions 300 grain .451 as I think they should shoot exactly like my deep curls and have a better reputation. I asked the fellow I am buying them from (a forum member) what he was planning to shoot now and why and he mentioned that he was now shooting a better long range bullet because of the open mule deer country. Well that got me to thinking and….