Dusty Stevens
Shiner
You should step back and read again. Get past all the stuff about your rifle and look at the rest. Get a whidden die- itll do better than the die you picked out. Send some fired cases in and see if the off the shelf die will work. If not theyll build you one. Im glad you cleared up the tolerance you quoted because you know how to measure stuff building race engines but going that far shut a lot of folks off. You can touch a micrometer and your fingerprints will throw it off farther than that. Pick a press you like- the press doesnt produce straight ammo the die does all the work. Get a fl bushing die, some bushings, an inline seater from wilson, any arbor press you like, a good scale to go along with a redding powder dispenser, a good priming tool like a 21st century, and youre set. If you spend more on nicer stuff thats on you but youd be way better served with the whidden die over the one we’ve never heard of that guarantees .0002 more runout than a whidden does