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Rifles, Reloading, Optics, Equipment
Reloading
Seasoning Brass, any sucess?
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<blockquote data-quote="eddybo" data-source="post: 482163" data-attributes="member: 7194"><p>Mike you would usually be correct on the pressures I have been known to push pressures up there with BR rifles.</p><p> </p><p>How many chambers would you have to cut with a reamer with .001 over to wear to a point where you only have .0005 over assuming zero runout? I have a chamber cut with a borrowed reamer that I am pretty sure is a little tight. </p><p> </p><p>I very seldom have a click with any of my rifles barring many firings. But have one with what I assume is a particularly tight chamber as I have 2 other rifles chambered in the same chambering but done with my reamer. Brass fired in both of my other rifles will not even come close to fitting in the chamber of the chamber rifled with the borrowed reamer. </p><p> </p><p>Even with just fireforming loads estimated by QL to be within sane pressures and chronograph readings that are in line with Ql predictions I am getting a slight click. (actually hard to get a good QL prediction forming cases) I do not have a blade mic handy but best I can tell I am getting less than .0005 expansion. It is hard to tell because of a slight crush fit with bullets jammed, but I think virgin 220 russian cases are tight.</p><p> </p><p>I am using my usual lot of 133 that I have been shooting for a long time with 66gr knights and am loading them light to fireform. I really do not think pressure is the culprit. I have a die that will remove even bad clicks with my other brass, not so with this rifle. Problem is the darn thing is the closest I have ever had to having a hummer barrel. I guess I will continue to try and season brass or live with the click, but it slows me down. I think part of the problem may be primary extraction of the action. It is an old schillen, actually I think it was a prototype as I have never seen another.</p></blockquote><p></p>
[QUOTE="eddybo, post: 482163, member: 7194"] Mike you would usually be correct on the pressures I have been known to push pressures up there with BR rifles. How many chambers would you have to cut with a reamer with .001 over to wear to a point where you only have .0005 over assuming zero runout? I have a chamber cut with a borrowed reamer that I am pretty sure is a little tight. I very seldom have a click with any of my rifles barring many firings. But have one with what I assume is a particularly tight chamber as I have 2 other rifles chambered in the same chambering but done with my reamer. Brass fired in both of my other rifles will not even come close to fitting in the chamber of the chamber rifled with the borrowed reamer. Even with just fireforming loads estimated by QL to be within sane pressures and chronograph readings that are in line with Ql predictions I am getting a slight click. (actually hard to get a good QL prediction forming cases) I do not have a blade mic handy but best I can tell I am getting less than .0005 expansion. It is hard to tell because of a slight crush fit with bullets jammed, but I think virgin 220 russian cases are tight. I am using my usual lot of 133 that I have been shooting for a long time with 66gr knights and am loading them light to fireform. I really do not think pressure is the culprit. I have a die that will remove even bad clicks with my other brass, not so with this rifle. Problem is the darn thing is the closest I have ever had to having a hummer barrel. I guess I will continue to try and season brass or live with the click, but it slows me down. I think part of the problem may be primary extraction of the action. It is an old schillen, actually I think it was a prototype as I have never seen another. [/QUOTE]
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Seasoning Brass, any sucess?
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