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What causes the throat to wear out faster?
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I would like to know what will cause the throat to wear out faster, Is it firing a lighter bullet with faster speed or a heavier bullet thats slower but has a longer bearing surface?
Examples; 140 accubond at 3250fps or a 160 accubond at 3000fps from a 280AI, with RL-22?
Just curious.
Elmer
 
Posts: 101 | Registered: 10 January 2006Reply With Quote
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erosion is mostly a result of firing a barrel when the barrel is hot.....the amount of powder burned and the pressures have a lot to do with how fast the barrel heats.....but the hot barrel is then subject to fast erosion.....


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Posts: 28849 | Location: western Nebraska | Registered: 27 May 2003Reply With Quote
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Of your two examples I would say that the !$) grain is going to be the most erosive due to the fact that you are likely using more powder in that load
However in the end I do believe that the amount of powder burned and the pressures as well as how hot the barrel is getting are all going to be the most significant factors


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Posts: 887 | Location: Northwest Az | Registered: 19 March 2008Reply With Quote
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Slower burning powders are the main culprit for a shooter who does not get his barrel too hot



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