Stupid question about case tumbling

This is a discussion on Stupid question about case tumbling within the Reloading forums, part of the Defensive Ammunition & Ballistics category; For used brass, do I tumble with the old primers still in? The fact that the Dillon deprimes and primes in one station leads me ...

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Thread: Stupid question about case tumbling

  1. #1
    Distinguished Member Array kazzaerexys's Avatar
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    Stupid question about case tumbling

    For used brass, do I tumble with the old primers still in? The fact that the Dillon deprimes and primes in one station leads me to believe I should have clean brass with a spent primer in it, but then I think that would leave a dirty primer pocket...

    Clues welcome.
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    Distinguished Member Array airslot's Avatar
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    I'd deprime them first.
    The situation will NEVER BE THE WAY YOU WANT, it WILL BE THE WAY IT IS. You must be FLEXIBLE ENOUGH TO ADAPT and just "DEAL WITH IT".

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    I dont.
    I just tumble them.
    If you are worried about it, deprime them first.
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    VIP Member Array cvhoss's Avatar
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    For reloading on a progressive, tumble them with the old primer still in the pocket. Frankly, the small amount of residue in a primer pocket would only be worth considering when loading for bench rest rifle accuracy and that's going to be done (by most of us) on a single stage press anyway. I have some 45 Colt cases that have been loaded 20 times and never had the primer pockets cleaned. They still go bang every time.

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    Member Array deadhawg's Avatar
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    It's probably not necessary, but I tumble first, then deprime and size, then tumble again briefly before priming and loading. Overkill no doubt, but I'm never in a hurry to reload, since I keep enough loaded ammo on hand for several range trips.
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    Ex Member Array Ram Rod's Avatar
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    I deprime mine first. Only issue one might have when using crushed walnut hulls is sometimes a piece will get lodged in the flash hole. I inspect all carefully, and I use a straightened paper clip to push them out.

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    Distinguished Member Array kazzaerexys's Avatar
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    Thanks, gents. I will tumble without depriming. I may give the finished ammo a brief tumble if it is not sufficiently shiny.
    “What is a moderate interpretation of [the Constitution]? Halfway between what it says and [...] what you want it to say?” —Justice Antonin Scalia

    SIG: P220R SS Elite SAO, P220R SAO, P220R Carry, P226R Navy, P226, P239/.40S&W, P2022/.40S&W; GSR 5", P6.

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    VIP Member Array SatCong's Avatar
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    Clean first, then deprime. It's easy on your sizer, no dirt and the sizer well last longer.
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    Distinguished Member Array coffeecup's Avatar
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    I use walnut media and add a capful of Nu-Finish auto polish(not the wax). Tumble and then deprime and you will not have a problem with tiny pieces of media stuck in the flash hole. I am a little more than anal about stuff like this.

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    VIP Member Array Sticks's Avatar
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    Couldn't you eliminate the worry about the walnut or other media plugging the flash hole by running through the deprimer again?

    If you were to deprime then tumble, and you are using a progressive, you just run them though all the stations again.
    Sticks

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    Quote Originally Posted by SatCong View Post
    Clean first, then deprime. It's easy on your sizer, no dirt and the sizer well last longer.
    +1... If you want to make 'em look pretty for whatever reason, go ahead an tumble again after priming but it is wholly unnecessary. You want clean reliable reloads not exhibition ones.
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    VIP Member Array frankmako's Avatar
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    i tumble first with most of what i reload. but with some rifle cals i tumble after i deprime. that way it gets the case lube off.
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    Distinguished Member Array coffeecup's Avatar
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    Quote Originally Posted by Sticks View Post
    Couldn't you eliminate the worry about the walnut or other media plugging the flash hole by running through the deprimer again?

    If you were to deprime then tumble, and you are using a progressive, you just run them though all the stations again.
    Sure you could. And you could also wax your car before washing it, then have to wax it again, but why go to all that trouble?

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    Member Array showmebob's Avatar
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    Quote Originally Posted by kazzaerexys View Post
    Thanks, gents. I will tumble without depriming. I may give the finished ammo a brief tumble if it is not sufficiently shiny.
    By finished ammo do you mean a ready to fire cartridge? I've read you NEVER tumble live ammo because it breaks down the powder into smaller particles and that may cause a servere increase in your pressures. It makes a lot of sense to me. Clean em up first!

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    VIP Member Array Sticks's Avatar
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    Quote Originally Posted by showmebob View Post
    By finished ammo do you mean a ready to fire cartridge? I've read you NEVER tumble live ammo because it breaks down the powder into smaller particles and that may cause a servere increase in your pressures. It makes a lot of sense to me. Clean em up first!
    I can understand not tumbling finished ammo because it will wear the bullet, and may change the OAL, but break up the powder causing pressure change...

    I would need to see documented info on that one. What do you think happens to our carry rounds and spares we keep on our person? That box of ammo riding in the trunk for hundred of miles?
    Sticks

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    See also Sheep

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