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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel break in
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<blockquote data-quote="J E Custom" data-source="post: 1785562" data-attributes="member: 2736"><p>So far it has been on average, 10 to 15 ft/sec for the first 7 or 8 shots and somewhere around 8 to 10 shots it level out with slightly faster or slower velocities. So far the increase has been around 80 to 100 ft/sec from the first shot to the brake in. It appears that the final SDs/quality of the ammo has something to do with the velocity spread during break in and this would explain the difference in each shot even with the increased gain in velocity each time.</p><p></p><p>The first time I did this test I though it would be around a 40 or 50 ft/sec improvement. one day I will try this test on a factory barrel and see what the results are. In the past it has taken 30 + shoot and cleans to reach some point where the bore felt better when patched.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1785562, member: 2736"] So far it has been on average, 10 to 15 ft/sec for the first 7 or 8 shots and somewhere around 8 to 10 shots it level out with slightly faster or slower velocities. So far the increase has been around 80 to 100 ft/sec from the first shot to the brake in. It appears that the final SDs/quality of the ammo has something to do with the velocity spread during break in and this would explain the difference in each shot even with the increased gain in velocity each time. The first time I did this test I though it would be around a 40 or 50 ft/sec improvement. one day I will try this test on a factory barrel and see what the results are. In the past it has taken 30 + shoot and cleans to reach some point where the bore felt better when patched. J E CUSTOM [/QUOTE]
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Barrel break in
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