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Rifles, Reloading, Optics, Equipment
Reloading
Extractor Marks?
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<blockquote data-quote="Oldtime Shooter13" data-source="post: 2414129" data-attributes="member: 109503"><p>Just another thought outside the box! </p><p></p><p>What are COL and are you FL sizing or bumping shoulder back? If there is no place in the chamber for brass to expand (flow) it can create what you are experiencing. By the time you lift the bolt the brass has contacted and you have no issue with bolt lift. </p><p></p><p>Years ago I was only neck sizing on a 243 Win heavy bull barrel rifle. I don't like trimming brass so as long as they COL was less than max I chamfer only. I would go 3 or 4 loadings when I started having issues with ejector mark on brass? I was not close to max loads with this rifle. I find accuracy node and I don't care about speed, I care about accuracy. This was when I first started reloading (ages ago) and an older wiser man set me strait on neck sizing only without bumping shoulder back .001 or .002! </p><p></p><p>Today I used body dies, shoulder bump dies and still do not trim until necessary. I don't like FL sizing dies, but I don't own any semi auto rifles. I have also become a fan of collet dies.</p><p></p><p>I also learned a lesson with nice clean stainless steel wet tumbler brass. I started getting neck weld if my loads would set around for any time. I never had any signs of pressure due to neck weld, but definitely would effect ES and SD on my previous tested solid loads with my old dirty brass. Ran a test and sure enough my old dirty brass outperformed my nice shiny cleaned brass? That is why the old timers brass was always dark dingy looking? I am an old timer and just learnt this a few years ago! Now, I cannot speak to dry media tumbling, I don't shine my brass anymore other than pistol cartridges. </p><p></p><p>My Two Cents!</p></blockquote><p></p>
[QUOTE="Oldtime Shooter13, post: 2414129, member: 109503"] Just another thought outside the box! What are COL and are you FL sizing or bumping shoulder back? If there is no place in the chamber for brass to expand (flow) it can create what you are experiencing. By the time you lift the bolt the brass has contacted and you have no issue with bolt lift. Years ago I was only neck sizing on a 243 Win heavy bull barrel rifle. I don’t like trimming brass so as long as they COL was less than max I chamfer only. I would go 3 or 4 loadings when I started having issues with ejector mark on brass? I was not close to max loads with this rifle. I find accuracy node and I don’t care about speed, I care about accuracy. This was when I first started reloading (ages ago) and an older wiser man set me strait on neck sizing only without bumping shoulder back .001 or .002! Today I used body dies, shoulder bump dies and still do not trim until necessary. I don’t like FL sizing dies, but I don’t own any semi auto rifles. I have also become a fan of collet dies. I also learned a lesson with nice clean stainless steel wet tumbler brass. I started getting neck weld if my loads would set around for any time. I never had any signs of pressure due to neck weld, but definitely would effect ES and SD on my previous tested solid loads with my old dirty brass. Ran a test and sure enough my old dirty brass outperformed my nice shiny cleaned brass? That is why the old timers brass was always dark dingy looking? I am an old timer and just learnt this a few years ago! Now, I cannot speak to dry media tumbling, I don’t shine my brass anymore other than pistol cartridges. My Two Cents! [/QUOTE]
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