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Rifles, Reloading, Optics, Equipment
Reloading
Seating Depth Procedure
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<blockquote data-quote="robdaniels" data-source="post: 927857" data-attributes="member: 35428"><p>I am working on finding the rifling for a Sierra Game King 150 in a 270 WSM. I am using a black sharpie to color the bullet black and measuring with a hornady bullet comparator. I seat the bullet long just so the bolt closes. Take it out and I see the rifling marks all around the bullet. Ok good so far. I keep seating a few thousandths at a time until the marks begin to disappear. Then there is only one mark left and this last mark will show for a long time after the others have disappeared. I mean 20 to 25 thousandths. Once this mark is very faint I call it done and that measurement is what I write down as the beginning of the rifling's. I then seat the bullet 2 thousandths off that measure.</p><p></p><p>Is it normal to see that last rifling mark so long after the others have disappeared?</p><p></p><p>Thanks</p></blockquote><p></p>
[QUOTE="robdaniels, post: 927857, member: 35428"] I am working on finding the rifling for a Sierra Game King 150 in a 270 WSM. I am using a black sharpie to color the bullet black and measuring with a hornady bullet comparator. I seat the bullet long just so the bolt closes. Take it out and I see the rifling marks all around the bullet. Ok good so far. I keep seating a few thousandths at a time until the marks begin to disappear. Then there is only one mark left and this last mark will show for a long time after the others have disappeared. I mean 20 to 25 thousandths. Once this mark is very faint I call it done and that measurement is what I write down as the beginning of the rifling's. I then seat the bullet 2 thousandths off that measure. Is it normal to see that last rifling mark so long after the others have disappeared? Thanks [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Seating Depth Procedure
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