Any rifle out there is subject to tooling wear and the ensuing tolerance differences (think neck and chamber mainly for this question). You have to work up a load for any rifle, in this light. A method I have used several times - Nosler data shows a load density % and "most accurate" references. Try loading a couple/few up in/close to that range and see if you note pressure signs. You don't have to start at the bottom every time, every rifle - some you do though, an important thing to remember. Compare bolt function by using factory ammo as well. You're likely not creating proof loads either way so pulling a couple, or more, apart happens with this method so have the tools that accomodate. Some sources out there don't suggest using "light" first loads for brass life reasons and some of those saying that have ways to test and prove it better than many.Correct. I mentioned ADG states to back off 10%. Just looking for actual loads people use with these components. Starting to think my search will be in vain.