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Rifles, Reloading, Optics, Equipment
Reloading
Primer pockets?
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<blockquote data-quote="MNbogboy" data-source="post: 1621924" data-attributes="member: 18849"><p>Here is my take. I've scrapped most of my cases over the years for loose pockets. That being said there are a few things you can do to prolong their life.</p><p>1. New cases for the first two or three firings should not be max loads. New case heads are as soft as they will ever be and they will flow/stretch easier in the first few firings. Have had primer pockets go south on load #1 from max loads.</p><p>2. Before priming I always thoroughly clean each pocket with a rubbing alcohol dampened paper towel to insure there is no residue on the sidewalls of the pocket.</p><p>Believe this helps create a "quicker" seal of the primer during pressure build up.</p><p>3. Related to the above, after de-priming each pocket is visually checked with a small flashlight for the progression of residue up the pocket sidewall from the pocket bottom. As pockets become looser the residue (usually grey/white color) travels farther from the bottom.</p><p>Good shiny brass sides indicate a good seal. Grey residue that reaches up 1/2 way or more shows that your bolt face is in jeopardy and these pockets are already loose. The results of the visual usually correlate with the seating "feel".</p><p>4. If primer seats borderline "soft", I use a recapping rod by hand, if I can push it out by hand, I then scrap the brass.</p><p></p><p>On a side note once I got up to 35 loadings with a 260 and Remington brass. Started losing primer pockets at around 25 loading and to see how far they would go I started the inspection/cleaning regiment. Only 4 of them made it to 35.</p><p>My .02,</p><p>Randy</p></blockquote><p></p>
[QUOTE="MNbogboy, post: 1621924, member: 18849"] Here is my take. I've scrapped most of my cases over the years for loose pockets. That being said there are a few things you can do to prolong their life. 1. New cases for the first two or three firings should not be max loads. New case heads are as soft as they will ever be and they will flow/stretch easier in the first few firings. Have had primer pockets go south on load #1 from max loads. 2. Before priming I always thoroughly clean each pocket with a rubbing alcohol dampened paper towel to insure there is no residue on the sidewalls of the pocket. Believe this helps create a "quicker" seal of the primer during pressure build up. 3. Related to the above, after de-priming each pocket is visually checked with a small flashlight for the progression of residue up the pocket sidewall from the pocket bottom. As pockets become looser the residue (usually grey/white color) travels farther from the bottom. Good shiny brass sides indicate a good seal. Grey residue that reaches up 1/2 way or more shows that your bolt face is in jeopardy and these pockets are already loose. The results of the visual usually correlate with the seating "feel". 4. If primer seats borderline "soft", I use a recapping rod by hand, if I can push it out by hand, I then scrap the brass. On a side note once I got up to 35 loadings with a 260 and Remington brass. Started losing primer pockets at around 25 loading and to see how far they would go I started the inspection/cleaning regiment. Only 4 of them made it to 35. My .02, Randy [/QUOTE]
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Primer pockets?
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