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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel choice
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<blockquote data-quote="Lefty7mmstw" data-source="post: 766563" data-attributes="member: 48043"><p>Read up on throat erosion. It's worse on more overbore rounds and worse on cartridges with short necks. It's also a lot worse if you let your barrel heat up significantly and shoot heavy loads through it. </p><p>A barrel is done for when it no longer puts up the accuracy you want. I've seen barrels that are pretty worn still put up 1/2" 100 yard groups. The next one won't be that bad wear wise but shoots like crap. </p><p>All barrels wear to a point, but some like 22lr's will outlive their owners. 7rums and 30-378's will seldom go 1000 rounds accurately.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 766563, member: 48043"] Read up on throat erosion. It's worse on more overbore rounds and worse on cartridges with short necks. It's also a lot worse if you let your barrel heat up significantly and shoot heavy loads through it. A barrel is done for when it no longer puts up the accuracy you want. I've seen barrels that are pretty worn still put up 1/2" 100 yard groups. The next one won't be that bad wear wise but shoots like crap. All barrels wear to a point, but some like 22lr's will outlive their owners. 7rums and 30-378's will seldom go 1000 rounds accurately. [/QUOTE]
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Rifles, Bullets, Barrels & Ballistics
Barrel choice
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