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Walking POI
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<blockquote data-quote="royinidaho" data-source="post: 86436" data-attributes="member: 2011"><p>Hmmmm,,,,,Heavy barrel, supposing heavy bullet guessing 140 or 160 pushed pretty near top velocities. Generates lots of heat.</p><p></p><p>Barrel is thick (lots of metal between bore and exterior).</p><p></p><p>I'm betting that the bore temperature is much much maybe much much much higher than the barrel surface temperature.</p><p></p><p>The greater distance the heat has to travel the longer it takes to dissapate. Also heat dissipates slower on a hot sunny day than when it is cool and in the shade.</p><p></p><p>I'd recommend good cleaning (wipe out or copper melt) to see how much copper fouling is there.</p><p></p><p>From then on I'd consider slowing down the firing rate. If you have to shoot that rapidly, then I'd search for the bullet with the shortest bearing surface that shot well and switch to ball powder. All of this is a pain and probably not desirable but.......worth at least considering.</p><p></p><p>Also, was a proper barrel break in process used?</p></blockquote><p></p>
[QUOTE="royinidaho, post: 86436, member: 2011"] Hmmmm,,,,,Heavy barrel, supposing heavy bullet guessing 140 or 160 pushed pretty near top velocities. Generates lots of heat. Barrel is thick (lots of metal between bore and exterior). I'm betting that the bore temperature is much much maybe much much much higher than the barrel surface temperature. The greater distance the heat has to travel the longer it takes to dissapate. Also heat dissipates slower on a hot sunny day than when it is cool and in the shade. I'd recommend good cleaning (wipe out or copper melt) to see how much copper fouling is there. From then on I'd consider slowing down the firing rate. If you have to shoot that rapidly, then I'd search for the bullet with the shortest bearing surface that shot well and switch to ball powder. All of this is a pain and probably not desirable but.......worth at least considering. Also, was a proper barrel break in process used? [/QUOTE]
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