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Rifles, Reloading, Optics, Equipment
Reloading
Primer issues
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<blockquote data-quote="Antonio m" data-source="post: 1320348" data-attributes="member: 96191"><p>Hi,I am hoping to find information regarding firing pin strikes/ primer variables etc. </p><p>I sometimes see cratering on 270 win cartridge cases for no reason,the firing pin does leaves a shallower and smaller diameter strike on most primers than other rifles I have. It doesn't misfire but will crater on less than full power loads(sometimes).No extractor marks or tough ejection . Loads are chrono'd to confirm this.It is more prevalent with neck sized brass...but not always. Primers are not /unsafely flattened . This rifle is a newer BLR and I wonder if it.has something to do with the rebounding hammer? Anyways, I also wonder if an oversized flash hole or any primer make is more prone to this? I have tried several and magnum primers but don't see a definite pattern. Thanks for any insights...Tony</p></blockquote><p></p>
[QUOTE="Antonio m, post: 1320348, member: 96191"] Hi,I am hoping to find information regarding firing pin strikes/ primer variables etc. I sometimes see cratering on 270 win cartridge cases for no reason,the firing pin does leaves a shallower and smaller diameter strike on most primers than other rifles I have. It doesn't misfire but will crater on less than full power loads(sometimes).No extractor marks or tough ejection . Loads are chrono'd to confirm this.It is more prevalent with neck sized brass...but not always. Primers are not /unsafely flattened . This rifle is a newer BLR and I wonder if it.has something to do with the rebounding hammer? Anyways, I also wonder if an oversized flash hole or any primer make is more prone to this? I have tried several and magnum primers but don't see a definite pattern. Thanks for any insights...Tony [/QUOTE]
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