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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
how much will barrels "speed up" when broken in?
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<blockquote data-quote="LeddSlinger" data-source="post: 1489636" data-attributes="member: 65338"><p>You can't "expect" a barrel to speed up after break-in. It may or may not. Depends on how rough the bore is to begin with. They usually speed up a little after about 100 rounds, but 100 fps gain after break-in is an outlandish expectation.</p><p></p><p>The real benefit of break in is that you should start to see more "consistent" speeds (at least with a well tuned handload) and the barrel will clean out easier. A well broke barrel can also usually shoot more rounds before requiring cleaning due to degraded accuracy.</p><p></p><p>Any factory ammo is a crap shoot for meeting stated velocity as every barrel is a little different. Other part is I think ammo companies exaggerate velocities on their boxes to get more sales. Doesn't matter how much a person complains after seeing the truth on a chronograph because you can't change factory ammo. Most people who shoot factory ammo dont own a chronograph so they just believe what's listed on the box. If you are unhappy with the velocity, best thing to do is start handloading your own ammo. Of course, accuracy is what really matters.</p></blockquote><p></p>
[QUOTE="LeddSlinger, post: 1489636, member: 65338"] You can't "expect" a barrel to speed up after break-in. It may or may not. Depends on how rough the bore is to begin with. They usually speed up a little after about 100 rounds, but 100 fps gain after break-in is an outlandish expectation. The real benefit of break in is that you should start to see more "consistent" speeds (at least with a well tuned handload) and the barrel will clean out easier. A well broke barrel can also usually shoot more rounds before requiring cleaning due to degraded accuracy. Any factory ammo is a crap shoot for meeting stated velocity as every barrel is a little different. Other part is I think ammo companies exaggerate velocities on their boxes to get more sales. Doesn't matter how much a person complains after seeing the truth on a chronograph because you can't change factory ammo. Most people who shoot factory ammo dont own a chronograph so they just believe what's listed on the box. If you are unhappy with the velocity, best thing to do is start handloading your own ammo. Of course, accuracy is what really matters. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
how much will barrels "speed up" when broken in?
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