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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does the Creedmoor really need more??? I don't think so!
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<blockquote data-quote="RockyMtnMT" data-source="post: 2207374" data-attributes="member: 7999"><p>Heat and pressure together is what burns out barrels. Not the vel of the projectile. People always equate higher speed with less barrel life. That theory is generally correct when comparing a faster cartridge to a slower cartridge because the faster cartridge is generally burning more powder for the size of the bore. A 30-06 running a 220g bullet at 2400 fps and 59,000 psi compared to 125g bullet at 3300 fps and 59,000 psi are going to have virtually identical barrel life. Compare a 300 rum to a 30-06 running the same pressure and the 300 rum is going to wear out significantly faster because of the amount of powder burning in barrel not the speed of the projectile.</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 2207374, member: 7999"] Heat and pressure together is what burns out barrels. Not the vel of the projectile. People always equate higher speed with less barrel life. That theory is generally correct when comparing a faster cartridge to a slower cartridge because the faster cartridge is generally burning more powder for the size of the bore. A 30-06 running a 220g bullet at 2400 fps and 59,000 psi compared to 125g bullet at 3300 fps and 59,000 psi are going to have virtually identical barrel life. Compare a 300 rum to a 30-06 running the same pressure and the 300 rum is going to wear out significantly faster because of the amount of powder burning in barrel not the speed of the projectile. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does the Creedmoor really need more??? I don't think so!
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