I have loaded up some 110g Tac-X's for my 270Win with some RL17. Started at 54g, moved up in 1g increments to 58g. My lot of 17 is a hotter lot (can't load more than 52.5g of it with 130g NBT's which is a middle of the road load). I have the COAL at 3.240" according to Barnes' load data sheet. What COAL's are you guys having the best luck with? I've read that they tend to work best seated deep, so I'm curious what length everyone has had the best luck with. I'm hoping to shoot them this week.....