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Rifles, Reloading, Optics, Equipment
Reloading
Redding Bullet Seating Micrometer
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<blockquote data-quote="Broz" data-source="post: 691773" data-attributes="member: 7503"><p>It can come with different degrees of intensity. The slight line that porwath is talking about, to some I seen of a friends 7mm 180's. They had a indentation in the bullet. Not a scratch, not sharp, but actually a dent pushed into the bullet 1/4 to 3/8" back from the tip where all the seating force was applied to a narrow area causing it to reform the bullet jacket. He was running a lot of neck tension too and the brass had not been annealed. So I feel this was an extreme case. But never the less I would expect these damaged bullets to expand rapidly and could fail. I should also mention this will occure more so when the tip does <strong>NOT</strong> bottom out in the seating plug. It is a problem that happens from mis-matched angles between the plug and the bullet shapes.</p><p> </p><p>Porwath is correct about sanding. I think it is a good idea for all seating plugs. And then see which one gives the best results. </p><p> </p><p>I found that I prefer the polished 300 win plug on 7mm,180 Bergers when seating them in the 7mm-300 chamberings.</p><p> </p><p>Jeff</p></blockquote><p></p>
[QUOTE="Broz, post: 691773, member: 7503"] It can come with different degrees of intensity. The slight line that porwath is talking about, to some I seen of a friends 7mm 180's. They had a indentation in the bullet. Not a scratch, not sharp, but actually a dent pushed into the bullet 1/4 to 3/8" back from the tip where all the seating force was applied to a narrow area causing it to reform the bullet jacket. He was running a lot of neck tension too and the brass had not been annealed. So I feel this was an extreme case. But never the less I would expect these damaged bullets to expand rapidly and could fail. I should also mention this will occure more so when the tip does [B]NOT[/B] bottom out in the seating plug. It is a problem that happens from mis-matched angles between the plug and the bullet shapes. Porwath is correct about sanding. I think it is a good idea for all seating plugs. And then see which one gives the best results. I found that I prefer the polished 300 win plug on 7mm,180 Bergers when seating them in the 7mm-300 chamberings. Jeff [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Redding Bullet Seating Micrometer
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