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dimples in the shoulders

joesjoes Member Posts: 484 ✭✭✭
edited January 2008 in Perry Shooter Competition Shooting and Reloading Forum
I sometimes get dimples in the should of brass when I run brass through the full lenght die (I am loading for rifle). It nevers seems to happen on the first couple but after that it seems to happen. Is it built up lube in the die? Thanks,
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Comments

  • CubsloverCubslover Member Posts: 18,601 ✭✭
    edited November -1
    Built up lube or using too much lube.

    Main two culprits.
    Half of the lives they tell about me aren't true.
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  • joesjoes Member Posts: 484 ✭✭✭
    edited November -1
    So how do I remove built up lube in the dies?
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  • jtmarine0831jtmarine0831 Member Posts: 908 ✭✭✭✭
    edited November -1
    9 times out of 10 this is due to excessive lube on the case! As the lube can not be compressed it has to go somewhere, and usually dimples or deforms the case where ever it builds up. What brand of dies are you using? Some brands have a vent hole through the side towards the top so it will allow air out and prevent this, but sometimes it becomes clogged with lube.

    I suggest using a little less lube. What kind of lube are you using? If you are using a lube pad, just lightly roll the cases acrossed it, pretty much just enough pressure on them to get them to move and make sure you keep the lube off the case neck and shoulder. If you are using spray on lube, hold the can farther away and or shorten your spary time a bit!

    Hope this helps a little!
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  • jtmarine0831jtmarine0831 Member Posts: 908 ✭✭✭✭
    edited November -1
    quote:Originally posted by joes
    So how do I remove built up lube in the dies?


    Remove the decapping assembly and use some good degreaser(like brake cleaner) and a plastic or nylon bristled brush, I have found this works best for me.

    edit:Don't us a brass brush or metal cause this will scratch the die body!
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  • Grunt2Grunt2 Member Posts: 2,525 ✭✭✭✭
    edited November -1
    Clean the die as the others have stated...Look for the vent hole in the shoulder area of the die. Sometimes it's hard to see with the threads. Often your problem is caused from a plugged vent hole or excessive lube.
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  • jonkjonk Member Posts: 10,121
    edited November -1
    Ditto on what everyone said; also, it won't HURT things to shoot a dimpled case- not that I go out of my way to do it but if it is good new brass and not cracked, it will iron out fine on shooting.
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  • OdawgpOdawgp Member Posts: 5,380 ✭✭
    edited November -1
    No disassembly required..

    Spray brake cleaner in the die stand up right and allow to dry

    with a qtip and a little case lube on it lube the die body and exspander ball

    the next case in the die will finish lubing what needs to be lubed.
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  • Remington1981Remington1981 Member Posts: 1,431 ✭✭✭✭✭
    edited November -1
    As everyone else has stated, the only thing that I have ever seen to cause this is using to much lube or getting lube on the neck of the case. If you are not using a lube pad I would recomend that.
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