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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="Greyfox" data-source="post: 1740857" data-attributes="member: 10291"><p>I have broken in 3 Criterion barrels over the past year or so, all in 6.5 cal. My break-in routine is quite similar to the one you describe. I did <em>monitor the velocity using my Lab Radar until velocities stabilized. While accuracy(measured at 100-200 yards stabilized quite early in the process, ES of < 12FPS with all three barrels required 100-200 rounds. This is pretty consistent with Kreiger, Hart, Bartlien barrels I have broken in as well. Velocities of two 6.5x47 Criterion barrels started at 2700FPS and stabilized at 2760FPS. A 6.5x284 using a Criterion barrel started at 2975FPS and stabilized at 3025FPS. These type of increases appear to be pretty consistent with those seen with a variety of different barrels I have broken in(cut and button rifled) as well as those broken in by my buddies that shoot PRS competition.....doing this quite often. </em></p></blockquote><p></p>
[QUOTE="Greyfox, post: 1740857, member: 10291"] I have broken in 3 Criterion barrels over the past year or so, all in 6.5 cal. My break-in routine is quite similar to the one you describe. I did [I]monitor the velocity using my Lab Radar until velocities stabilized. While accuracy(measured at 100-200 yards stabilized quite early in the process, ES of < 12FPS with all three barrels required 100-200 rounds. This is pretty consistent with Kreiger, Hart, Bartlien barrels I have broken in as well. Velocities of two 6.5x47 Criterion barrels started at 2700FPS and stabilized at 2760FPS. A 6.5x284 using a Criterion barrel started at 2975FPS and stabilized at 3025FPS. These type of increases appear to be pretty consistent with those seen with a variety of different barrels I have broken in(cut and button rifled) as well as those broken in by my buddies that shoot PRS competition.....doing this quite often. [/I] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Collecting velocity data during barrel break-in?
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