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Rifles, Reloading, Optics, Equipment
Reloading
Cleaning brass - inside case still dirty??
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<blockquote data-quote="MNbogboy" data-source="post: 512617" data-attributes="member: 18849"><p>I will have to agree with Mikecr and Kevin Thomas that the carbon fouled inside does not hurt a thing..Without anything to back it up, I have a hunch that the carbon layer inside the case has a positive affect on burn rate over the "shiny" reflective inside of a new case...Much like a new cast iron frying pan vs a "seasoned" one....My SDs and ES seem to be always lower in "seasoned" cases...I am not sure why though, it may or could be because of other reasons such as a better case to chamber fit....</p><p></p><p>My theory is only based on about a thousand rounds a year for the 10 or so years that I have had the chrony, even though I have been loading for over 40 years..It would be nice to know if anybody else has done a study or tests on this subject.</p><p></p><p>One thing I might add that I always mechanically clean the primer pocket and brush out the loose carbon inside the case. The interior neck is then worked over real well with the brush before final neck tension adjustment.</p><p></p><p>Randy</p></blockquote><p></p>
[QUOTE="MNbogboy, post: 512617, member: 18849"] I will have to agree with Mikecr and Kevin Thomas that the carbon fouled inside does not hurt a thing..Without anything to back it up, I have a hunch that the carbon layer inside the case has a positive affect on burn rate over the "shiny" reflective inside of a new case...Much like a new cast iron frying pan vs a "seasoned" one....My SDs and ES seem to be always lower in "seasoned" cases...I am not sure why though, it may or could be because of other reasons such as a better case to chamber fit.... My theory is only based on about a thousand rounds a year for the 10 or so years that I have had the chrony, even though I have been loading for over 40 years..It would be nice to know if anybody else has done a study or tests on this subject. One thing I might add that I always mechanically clean the primer pocket and brush out the loose carbon inside the case. The interior neck is then worked over real well with the brush before final neck tension adjustment. Randy [/QUOTE]
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Cleaning brass - inside case still dirty??
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