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Appreciate the info. How big is the shoulder behind the 5/8x24 threads at muzzle?Here’s a pic of the contour info. Criterion only off one reamer but I have two of these barrels and I run alpha brass with bullets from 105-112 without issue. No neck turning. I never asked them the specs on the reamer just wanted to know if alpha brass would work.
Okay let me know. I know with the qd system I use, I need 0.680 at muzzle shoulder.I’ll measure it. It’s not as much as I’d like but had them both done and it works with my suppressor