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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Collecting velocity data during barrel break-in?
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<blockquote data-quote="dougduey" data-source="post: 1740263" data-attributes="member: 33159"><p>When I rebarreled my 6.5-284 Norma with a beautiful Krieger barrel, I took my time and was meticulous with the break in. 1 shot, clean, 1 shot, clean, etc until I saw the velocity level out,like the others have stated. This happened around 15 rounds. And the next 5 all had an ES of 4. So, thought I was done. Did my load development with 2 different bullets and was very happy. Took it out to practice and my groups all had opened up and I was now getting pressure signs. Shot my pet loads over my Magnetto and found velocity had increased about 80 fps. I was now a little over the 100 rounds down the tube. Had to dial everything back to get it to the velocities the barrel liked, and, then, all was good. So, see where things are at once you get around 100 rounds shot.</p></blockquote><p></p>
[QUOTE="dougduey, post: 1740263, member: 33159"] When I rebarreled my 6.5-284 Norma with a beautiful Krieger barrel, I took my time and was meticulous with the break in. 1 shot, clean, 1 shot, clean, etc until I saw the velocity level out,like the others have stated. This happened around 15 rounds. And the next 5 all had an ES of 4. So, thought I was done. Did my load development with 2 different bullets and was very happy. Took it out to practice and my groups all had opened up and I was now getting pressure signs. Shot my pet loads over my Magnetto and found velocity had increased about 80 fps. I was now a little over the 100 rounds down the tube. Had to dial everything back to get it to the velocities the barrel liked, and, then, all was good. So, see where things are at once you get around 100 rounds shot. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Collecting velocity data during barrel break-in?
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