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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet seating - what does this mean?
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<blockquote data-quote="FromSA" data-source="post: 956130" data-attributes="member: 78216"><p>Hi everyone,</p><p></p><p>I have what is probably a strange request. I need some help interpreting what I see in 4 pictures (attached - hope I did it correctly, never attached photos to a post before.</p><p></p><p>Yesterday I was playing around with my seating die and decided to try something I seen others do before - I coloured a bullet with a blue marker, fed it in my chamber, closed and opened the bolt, extracted the round and investigated the marks made in coloured area on the bullet. I took 4 photographs of what I saw from more or less four side of the bullet that are equally far apart (in other words I tried to quarter the bullet). </p><p></p><p>From side 1 it looks like the bullet is going into the rifling at this depth, but not touching all the way around.</p><p>On side 2 it looks like there is no contact with the rifling.</p><p>Side 3 three looks like it is touching again.</p><p>Side 4 also seems to touch but I don't know what to make of the long vertical area that seems to be making contact.</p><p></p><p>Can you please help me to interpret what I'm seeing?</p><p>Am I correct in saying that at this depth the bullet is into the rifling (not just touching).</p><p>Am I correct in saying that the contact with the rifling is not uniform?</p><p></p><p>Thanks</p></blockquote><p></p>
[QUOTE="FromSA, post: 956130, member: 78216"] Hi everyone, I have what is probably a strange request. I need some help interpreting what I see in 4 pictures (attached - hope I did it correctly, never attached photos to a post before. Yesterday I was playing around with my seating die and decided to try something I seen others do before - I coloured a bullet with a blue marker, fed it in my chamber, closed and opened the bolt, extracted the round and investigated the marks made in coloured area on the bullet. I took 4 photographs of what I saw from more or less four side of the bullet that are equally far apart (in other words I tried to quarter the bullet). From side 1 it looks like the bullet is going into the rifling at this depth, but not touching all the way around. On side 2 it looks like there is no contact with the rifling. Side 3 three looks like it is touching again. Side 4 also seems to touch but I don't know what to make of the long vertical area that seems to be making contact. Can you please help me to interpret what I'm seeing? Am I correct in saying that at this depth the bullet is into the rifling (not just touching). Am I correct in saying that the contact with the rifling is not uniform? Thanks [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet seating - what does this mean?
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