Acording to Hodgdon I could shoot the 325 BTB cast boolit with 22 grains of W296 and stay under SAAMI pressures. It all boils down to the specific gun, boolit, lot of powder, lot of primers, case, temp, etc - and specific pressure recording devices - before someone can say with certainty that someone is way above pressure limits.
Thanks for the links, but I am kind of at a loss as to what they are for? Are they meant to show me how to read pressure, or meant to show me that I cannot read pressure based on visual things? I've always just gone by the rule that you work up to max loads that are listed in reloading manuals. However, just because they list a certain weight for a max load does not mean your firearm can handle it - nor does it mean it cannot handle more.
I'll still state the fact that when you search for data from people who have loaded the Lee C430-310 in the 44 magnum with W296/H110, you will find that the most common load is 21gr - 21.5gr. I know that not all guns are built to handle the same load, but if it was a massive over pressure situation then I am pretty sure we would have many people warning of such - not listing it for the load they use.
http://castboolits.gunloads.com/show...s-Lee-C430-310
Now, maybe it is over SAAMI spec pressure in my particular case. Who knows for sure? I have followed standard loading proceedures working up to it - I did not just load 21 grains into a case and go at it. It is the only charge that groups the boolits good, even though the groups move time to time.