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  1. Creedmore

    How much case stretch or shoulder movement is normal?

    Just a followup. I made it back to the range today, and results were very good. Since last weekend I cleaned the heck out of the chamber/lug areas in case there was still debris in there. Used a 20ga brush and some plastic pics with Kroil to try and reach all the lug areas as best I could...
  2. Creedmore

    How much case stretch or shoulder movement is normal?

    It has likely been this way since day 1, I just never noticed. But since the separation, I started measuring and paying close attention. I used to just set the FL die to contacct the shellholder and move on, since sizing this way chambered just fine.
  3. Creedmore

    How much case stretch or shoulder movement is normal?

    That's what (I think) I'm trying to acheive by using the bump gauge -- to set the resizer for a 0.002" bump. My question -- how is partial FL resizing like this different from neck sizing? I have all 3 Forster dies: FL, Neck and Competition Seater. If the FL kiss + 1/4 turn works the case too...
  4. Creedmore

    How much case stretch or shoulder movement is normal?

    That's where the separation happened. The same case from the other pictures I posted today, next to the separated case:
  5. Creedmore

    How much case stretch or shoulder movement is normal?

    I feel no difference closing/closing the bolt on an empty chamber, or opening/closing the bolt with a live round. Opening the bolt has always required a little bit of effort -- trying to put this into words -- this rifle has never been so smooth that you can fire a round and cycle the bolt...
  6. Creedmore

    How much case stretch or shoulder movement is normal?

    This was built for me when I was 16, back in 1987. It has taken many TX whitetails, shooting 100gr Sierra Gamekings, including my son's first two deer. (This is his gun now). But it's never really been a consistent tack-driver. Hunting more open spaces now, going to heavier bullet, longer...
  7. Creedmore

    How much case stretch or shoulder movement is normal?

    Good questions! How many times fired was the case that got separated ??? According to my log book, the separation was on the 4th loading. Be honest here...how clean is the chamber? If you had a case split in the chamber well you are going to have a lot of brass debris still looming about. I...
  8. Creedmore

    How much case stretch or shoulder movement is normal?

    Thanks, I've been lurking around here for quite a while. Finally got stumped enough to post. :wink: The measurements I took were with a Sinclair bump gauge insert, so the measurement was to the edge of the shoulder, I believe. I've had this rifle for 25+ years. Built by a...
  9. Creedmore

    How much case stretch or shoulder movement is normal?

    I have a .25-06 built on a Mauser 98. Last year, while working up a new powder/load I had a case head separation. So this spring I'm going back to square one on my workup with all new brass. In the past, I had never measured the shoulder bump, just adjusted the full length die to kiss the...
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