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Barrel Meloniting/Nitriding Questions
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<blockquote data-quote="lowdowndirtybugger" data-source="post: 1048283" data-attributes="member: 88303"><p>Once the barrel is melonited doesn't mean it's impervious to the environment endured during firing. </p><p></p><p>A friend of mine had a shilen in .243 done. He measured throat wear periodically. After 300 rounds the throat had moved .001" most would consider this "broken in" and at 1000 it had moved .005. </p><p>From the time he got it done it shot smaller than dime sized 5 shots with his developed load. No break in used. Just a quality lapped barrel.</p><p></p><p>There are barrels that should not be melonited. For example 416 stainless does not react well as Smith and Wesson found out on their pistol slides as it actually caused rust pitting. Yet 416r works well with a single quench. Chrome vanadium barrels work great for the qpq processes</p></blockquote><p></p>
[QUOTE="lowdowndirtybugger, post: 1048283, member: 88303"] Once the barrel is melonited doesn't mean it's impervious to the environment endured during firing. A friend of mine had a shilen in .243 done. He measured throat wear periodically. After 300 rounds the throat had moved .001" most would consider this "broken in" and at 1000 it had moved .005. From the time he got it done it shot smaller than dime sized 5 shots with his developed load. No break in used. Just a quality lapped barrel. There are barrels that should not be melonited. For example 416 stainless does not react well as Smith and Wesson found out on their pistol slides as it actually caused rust pitting. Yet 416r works well with a single quench. Chrome vanadium barrels work great for the qpq processes [/QUOTE]
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