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  1. #1
    BlitzBurg223's Avatar
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    Rcbs 9mm dies issues

    Can anyone tell me why my seating die is seating the bullets crooked? And some of them are tearing up the copper coating. Some come out perfect and others not. It's getting annoying lol. I have never had any issues with other brands.

    Sent from my SM-G955U using Tapatalk

  2. #2
    Adam Van Camp's Avatar
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    Make sure you are using the correct seating stem. My RCBS 9mm dies came with a flat stem and a concave stem. Flat point or round nose bullets.

    Load as much as possible and shoot as much as possible.
    Currently reloading for .380 ACP, 9MM,327 Federal Mag, 38 Special, .357 Mag, 40 S&W, 44 Mag, 45 ACP, .458 Socom, .223 Remington, 22-250,7MM Remington Mag, 30-06 and 340 Weatherby Mag, 50 Beowolf

  3. #3
    BlitzBurg223's Avatar
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    Quote Originally Posted by Adam Van Camp View Post
    Make sure you are using the correct seating stem. My RCBS 9mm dies came with a flat stem and a concave stem. Flat point or round nose bullets.

    Load as much as possible and shoot as much as possible.
    That was the first thing I checked. And it is the correct one. It's odd. I loaded some and went to the range and all was good but then I started noticing that they were a hair crooked.

    Sent from my SM-G955U using Tapatalk

  4. #4
    Adam Van Camp's Avatar
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    How much bell/expansion are you putting on the case mouth? I put barely enough to let the bullet start.

    Load as much as possible and shoot as much as possible.
    Currently reloading for .380 ACP, 9MM,327 Federal Mag, 38 Special, .357 Mag, 40 S&W, 44 Mag, 45 ACP, .458 Socom, .223 Remington, 22-250,7MM Remington Mag, 30-06 and 340 Weatherby Mag, 50 Beowolf

  5. #5
    BlitzBurg223's Avatar
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    Quote Originally Posted by Adam Van Camp View Post
    How much bell/expansion are you putting on the case mouth? I put barely enough to let the bullet start.

    Load as much as possible and shoot as much as possible.
    That's exactly what I do

    Sent from my SM-G955U using Tapatalk

  6. #6
    Adam Van Camp's Avatar
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    Check to see if there is anything in the seating stem to make the bullet seat weird. Past that I have no idea.

    Load as much as possible and shoot as much as possible.
    Currently reloading for .380 ACP, 9MM,327 Federal Mag, 38 Special, .357 Mag, 40 S&W, 44 Mag, 45 ACP, .458 Socom, .223 Remington, 22-250,7MM Remington Mag, 30-06 and 340 Weatherby Mag, 50 Beowolf

  7. #7
    BlitzBurg223's Avatar
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    Will do thank you
    Quote Originally Posted by Adam Van Camp View Post
    Check to see if there is anything in the seating stem to make the bullet seat weird. Past that I have no idea.

    Load as much as possible and shoot as much as possible.
    Sent from my SM-G955U using Tapatalk

  8. #8

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    Sounds like the die body might possibly be starting to crimp before the bullet is seated also.

    Sent from my SM-G950U using Tapatalk

  9. #9
    Adam Van Camp's Avatar
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    Good point. I use a Lee Factory Crimp Die so my RCBS never does that part. Be fore buying the LFC die I would crush cases preforming both steps at the same time.

    Quote Originally Posted by Jjerome49 View Post
    Sounds like the die body might possibly be starting to crimp before the bullet is seated also.

    Sent from my SM-G950U using Tapatalk
    Load as much as possible and shoot as much as possible.
    Currently reloading for .380 ACP, 9MM,327 Federal Mag, 38 Special, .357 Mag, 40 S&W, 44 Mag, 45 ACP, .458 Socom, .223 Remington, 22-250,7MM Remington Mag, 30-06 and 340 Weatherby Mag, 50 Beowolf

  10. #10
    BlitzBurg223's Avatar
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    Quote Originally Posted by Jjerome49 View Post
    Sounds like the die body might possibly be starting to crimp before the bullet is seated also.

    Sent from my SM-G950U using Tapatalk
    I will check that thank you

    Sent from my SM-G955U using Tapatalk

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