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Rifles, Reloading, Optics, Equipment
Reloading
What Should Fired Brass Show On V-Blocks For Case Runout?
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<blockquote data-quote="Savage 12BVSS" data-source="post: 1842469" data-attributes="member: 112413"><p>I'm using the guage on an rcbs casemaster, maybe I am showing the numbers incorrectly. Not a machinist so this is hard to describe when below one thousandth's, when I measured the case mouth's after firing they were slightly below 1/2 thousandth's (what I called .0004). When I ran them thru a lee collet neck sizer they were pretty much unchanged. When I seated bullets in the case's with the forster seater they went to one thousandth's (.001) with a couple a little under and one slightly over. At that point I tried turning the cases in thirds as I seated bullets, they got better with all under one thousand's runout (.0008), taken on the bullet side near as I can figure to the ogive (maybe 1/3 way down seated bullet) That's good as I can explain this. I apologize for any incorrect figure's I have no reason to lie. Thats all there is to it.</p><p></p><p>Yes I agree with you 100% that is why all this happened in the first place, the McGowen barrel was a train wreck when I got it and I trusted my gunsmith when he fixed it. He recrowned and rechambered it before it ever went on the rifle, as I read on here and learned not all chamber's are straight and can produce unconcentric brass out of the chamber. This entire deal was to really see if that was the case, I had to get the casemaster back cause the hornady won't do a case only.</p></blockquote><p></p>
[QUOTE="Savage 12BVSS, post: 1842469, member: 112413"] I'm using the guage on an rcbs casemaster, maybe I am showing the numbers incorrectly. Not a machinist so this is hard to describe when below one thousandth's, when I measured the case mouth's after firing they were slightly below 1/2 thousandth's (what I called .0004). When I ran them thru a lee collet neck sizer they were pretty much unchanged. When I seated bullets in the case's with the forster seater they went to one thousandth's (.001) with a couple a little under and one slightly over. At that point I tried turning the cases in thirds as I seated bullets, they got better with all under one thousand's runout (.0008), taken on the bullet side near as I can figure to the ogive (maybe 1/3 way down seated bullet) That's good as I can explain this. I apologize for any incorrect figure's I have no reason to lie. Thats all there is to it. Yes I agree with you 100% that is why all this happened in the first place, the McGowen barrel was a train wreck when I got it and I trusted my gunsmith when he fixed it. He recrowned and rechambered it before it ever went on the rifle, as I read on here and learned not all chamber's are straight and can produce unconcentric brass out of the chamber. This entire deal was to really see if that was the case, I had to get the casemaster back cause the hornady won't do a case only. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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What Should Fired Brass Show On V-Blocks For Case Runout?
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