When I had to sort out 30-06 brass that was neck sized from the bucket of FL sized brass I used a pair of calipers to check critical body dimension according to SAAMI drawing.
Look at the dimensions where the body taper meets the neck. Set calipers to 0.338” and find generally where on the taper that dimension lies. Either its right by the neck or further down the case body. It’s not precise measuring but it will be very obvious if the case was properly sized.
Also double check neck diameter to make certain the right size bullet was used.
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I just ran a handful back through the sizer die (no decap pin). Previous to this they sat proud in the cylinder a good .05, preventing cylinder from rotating. After a resize, they still say proud enough to hang up part of the time. Then I thought primer not seated, nope, that’s not it. Then I went and got a different box of reloads, they all dropped in and cylinder rotated. Same thing with some of my Korean milsurp.
I measured the case length and got right at 1.30 on many of the culprit rounds that didn’t seat. Me thinks dad never trimmed his 30 carbine brass. I just ran across some multi fired (and stretched cases, and also maybe some 1x cases.
Seems like I’ve read that the 30 carbine military rifles are rather loose chambered and more forgiving on headspace. I may just have to sit in my manchair some evening, and drop rounds on the cylinder removed from pistol. Segregate those that fit and those that don’t. Run the out of spec rounds through the rifles, then trim everything.
It’s the little details that screw things up, but I never though a guy would have trouble dropping rounds in a wheel gun. I like this 30 Carbine Blackhawk. Fun little gun to shoot
