Sure thing. I looked at my reamer itself and the sleeve for a printed spec but I didn’t see one. It would be the SAAMI specification, though, because I do not purchase a reamer that states a dimensional variance from the parent cartridge. When I started buying my own reamers, I had already experienced neck turning by hand, and I really didn’t like it. I felt like I was expending effort, a lot of it, to alter my brass to a state that I would not accept it in, from a seller. I sat there wondering if the whole theory of neck turning arose from a barrel cut with a freshly sharpened reamer that had produced a smaller neck, but shot great. Those pieces of brass shot very well, but so do unturned necks, and once you have a lot of neck turned brass, a spec neck will overwork it and so you will be caught up in that cycle forever. Unsolicited sharing, I know.
But it is Peterson brass, virgin, no expander ball used as the Lehigh Defense bullets seat fine, yes, plenty tight and definitely not coming loose on an extraction, but as solids, ringing them really wasn’t an issue. Speaking of ringing bullets, I’m pretty sure how that improvement was discovered, as well.
You probably researched this thoroughly to have selected it, but you’re building a gun that has the unbeatable combination of ballistics and accuracy. I have the .416 Barrett, 50’s and original Cheytac but this caliber makes so much more sense for hitting targets in matches, even considering spotting misses.
