Quote:
Why not slug the bore and see what you have? Knowing what you have might lead you to a billet that will function well.
My MS-1903, that I have not developed loads for slugs out at .269" grooves, .256" lands and a fired brass neck I.D. of .271". I hope this is of help.
Vlad
Yes, I plan to slug the bore, probably this week. My initial post was probably premature, but I wanted to see if what I have in mind seems feasible.
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