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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
What kills barrel life on bigger magnums?
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<blockquote data-quote="Kevin Thomas" data-source="post: 892460" data-attributes="member: 15748"><p>I'm a bit surprised that no one has mentioned this so far, but in my experience, one of the primary factors that goes into the faster destruction of a barrel is bullet weight. Simply put, heavier bullets are harder than lighter bullets, other factors being equal. The reason for this seems pretty simple, and that is basically dwell time. The heavier bullets have more inertia to overcome as the bullet begins moving down the barrel. During that time, the hot powder gases and very high pressures spend more time doing their damage to the throat area than they would with a lighter bullet which gets out of the way a good bit more quickly. </p><p> </p><p> There's other factors at work as well, but in a straight apples to apples comparison, that's a huge one. Having washed out several hundred barrels over the years, there's no doubt in my mind that bullet weight is a (or more likely, "the") major factor in bore life.</p></blockquote><p></p>
[QUOTE="Kevin Thomas, post: 892460, member: 15748"] I'm a bit surprised that no one has mentioned this so far, but in my experience, one of the primary factors that goes into the faster destruction of a barrel is bullet weight. Simply put, heavier bullets are harder than lighter bullets, other factors being equal. The reason for this seems pretty simple, and that is basically dwell time. The heavier bullets have more inertia to overcome as the bullet begins moving down the barrel. During that time, the hot powder gases and very high pressures spend more time doing their damage to the throat area than they would with a lighter bullet which gets out of the way a good bit more quickly. There's other factors at work as well, but in a straight apples to apples comparison, that's a huge one. Having washed out several hundred barrels over the years, there's no doubt in my mind that bullet weight is a (or more likely, "the") major factor in bore life. [/QUOTE]
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What kills barrel life on bigger magnums?
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