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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How quick can a .300 RUM burn a barrel out?
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<blockquote data-quote="elkaholic" data-source="post: 698997" data-attributes="member: 13833"><p>Agree with tricky. That is why I design my cartridges with a 40 degree shoulder and a neck with a MINIMUM length as long as the caliber. Here is a potential problem that is often overlooked and will make your accuracy go south. Even with otherwise good cleaning, the neck/throat junction can sometimes build up a carbon ring. Try soaking a patch in Kroil and stuffing it in the throat for two or three days. Pull the patch out and rotate a copper cleaning brush soaked in kroil and then clean up as usual. Check the patch and see what you came up with? I usually only trim my cases .005" short to help eliminate this problem. With 500 rounds, this COULD be the problem......Rich</p></blockquote><p></p>
[QUOTE="elkaholic, post: 698997, member: 13833"] Agree with tricky. That is why I design my cartridges with a 40 degree shoulder and a neck with a MINIMUM length as long as the caliber. Here is a potential problem that is often overlooked and will make your accuracy go south. Even with otherwise good cleaning, the neck/throat junction can sometimes build up a carbon ring. Try soaking a patch in Kroil and stuffing it in the throat for two or three days. Pull the patch out and rotate a copper cleaning brush soaked in kroil and then clean up as usual. Check the patch and see what you came up with? I usually only trim my cases .005" short to help eliminate this problem. With 500 rounds, this COULD be the problem......Rich [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How quick can a .300 RUM burn a barrel out?
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