................I measured my fired cases as best I can. I think I could just fax my measurements. If they showed on their internet site the different die measurements, I could choose the one I want without going through all this fired brass mailing and long wait.
Dan
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PATIENCE Glasshopper
There are a bunch of reasons why IMO it's advantageous for the Bros Harrell (or any other real die maker) to have your fired cases in hand.
#1, as you said "you measured as best you could". I could not be persuaded to make a die from your diagram.
#2, there are hundreds of opinions regarding "proper dies" out there in the world. With the cases in hand the Harrell's can make some informed decisions and make you a die that 100% WILL WORK even if it takes some back-and-forth phone calls or emails. Harrell's function is to make you happy. Different things make different people happy.
#3, there are hundreds of opinions involving "proper die usage" with the preponderance being about making sure your die touches down/bears on/cams over etc etc.... this sort of thing drives die makers mad. I don't envy todays die makers and barrel makers in a world where "send it back, it's defective" is the mantra. Often from folks who don't know "defective" from "reflective". The innernet is the best place to get up-to-the-minute-best information, and the absolute WORST as a repository of stupid information.
In simple fact, chambers vary in size. On 5 vital dimensions. And for proper full-length resizing all points must make contact at the proper time and exert the proper sizing effect by accomplishing proper containment. This requires a custom die which fits YOUR dimensions. If you or anyone else acquires an off-the-shelf die which fits the chamber correctly it's luck/serendipity/magick fairy dust.......... it's NOT repeatable.
I can right now order a die from Whidden by sending them a diagram...... I earned this right by ordering dies and NEVER ONCE complaining or sending a die back. I can draw a chamber on a napkin, text over a pic from my phone and they'll make a die knowing for absolute FACT that they will get their money, there will not be a complaint and I will NEVER send the die back because "it doesn't work"....
Unless they get the numbers wrong.
Which they haven't.
Harrell's
Whidden
Neil Jones
Hornady
These are four diemakers who've hit my numbers every time. Some of them are pus'd up..... for instance I once spent ten grand building stuff off a factory die from which I learned that factory dies CANNOT work in my world..... (MY WORLD!! 'may could work fine for others!) ........ and in consequence am living with and modifying a $500 set of custom dies after waiting a year for them. I try to explain this in a series of connected videos.
Here's a vid (one of about 6 on this subject) kinda' showing the mechanics of die fit https://www.youtube.com/watch?v=tvH8orYBYvY
This episode called "The Revenant" is about trying to fix one of an entire series of HBR rifles which due to poor fitment was a complete failure due to clicking.... in other words I built three setups, all failures, cuz I'm a dumbass and cuz I lissened to the wrong people...... entirely unrelated except as history and 20min of your life you'll never get back
https://www.youtube.com/watch?v=nga-fWknUiM