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Rifles, Reloading, Optics, Equipment
Gunsmithing
Why dial a rifle bore within .0001"
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<blockquote data-quote="specweldtom" data-source="post: 1150529" data-attributes="member: 2580"><p>Ryan, just measuring O.D. runout.... Always figured measuring bore straightness was beyond my ability. I just depended on the barrel maker to deliver a straight barrel/bore.</p><p></p><p>The only "custom" barrel that I have been disappointed with was the 17-4 Walther, but it had been "Blackstar" electropolished. I believe that process was a fail. It only managed moa with over 20 different loads tried. I'm going to pull it and put the Hart back on. </p><p></p><p>Thanks for the info on how to see a bent bore. I'll have to think about the setup on my lathe for trying it. Doesn't sound complicated. </p><p></p><p>I should have said I used SAAMI dimension reamers exclusively when available, not the way I worded it in my post.</p><p></p><p>Glad I didn't have to make a living barreling rifles! </p><p></p><p>Good hunting, Tom</p></blockquote><p></p>
[QUOTE="specweldtom, post: 1150529, member: 2580"] Ryan, just measuring O.D. runout.... Always figured measuring bore straightness was beyond my ability. I just depended on the barrel maker to deliver a straight barrel/bore. The only "custom" barrel that I have been disappointed with was the 17-4 Walther, but it had been "Blackstar" electropolished. I believe that process was a fail. It only managed moa with over 20 different loads tried. I'm going to pull it and put the Hart back on. Thanks for the info on how to see a bent bore. I'll have to think about the setup on my lathe for trying it. Doesn't sound complicated. I should have said I used SAAMI dimension reamers exclusively when available, not the way I worded it in my post. Glad I didn't have to make a living barreling rifles! Good hunting, Tom [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Why dial a rifle bore within .0001"
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