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Resizing 380 auto

Discussion in 'Handloading and Reloading' started by HOWARD J, Oct 18, 2011.

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  1. HOWARD J

    HOWARD J Member

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    Does anyone here have any problem resizing 380 auto cartridge cases?

    When I resize W-W 380 case using Lee dies
    The web on the case is about372-3--when I resize the case just above the web the case is sunk in to about 366.
    These cases fire fine but this recess to 366 seems a lot to me--what do you think??

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    Last edited: Oct 18, 2011
  2. Jeeping

    Jeeping Member

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    Do you have a problem resizing 380?
     
  3. cfullgraf

    cfullgraf Member

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    No problems here.

    My problem is finding all the brass I shoot.
     
  4. medalguy
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    medalguy Member

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    I use RCBS dies and I've never seen that. Do you see that with any other brand of brass? I use whatever brass I can find, hopefully most of my own.
     
  5. HOWARD J

    HOWARD J Member

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    It may be the brass as I have resized starline & that recess is very slight,
    CBC brass also.
     
  6. DaveInFloweryBranchGA

    DaveInFloweryBranchGA Member

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    Two thoughts:

    1. Your might need to set your die down a bit more.

    2. Your die might have been manufactured on the tight end of the specification. All manufacturers have a range of specifications when machining a product to allow for tool wear/replacement. Your die might be one of the last dies manufactured with a tool.

    I would call Lee, email them a picture of your resized cases and see what they say. I use the same Lee die set and don't have what you've got in your picture.
     
  7. The Bushmaster

    The Bushmaster Member

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    Insure that your die is correctly adjusted. And that the die touches the shell holder when the case is in the die. If so...Load'em, shoot'em and load'em again...
     
  8. rcmodel

    rcmodel Member in memoriam

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    From the photo, it appears to me your sizing die isn't screwed down far enough.
    To adjust, run the ram up, screw the die down until it just kisses the shell holder, and lock it down.

    You will still have a short section of brass that will not get sized because of the shell holder thickness and slightly rolled edge of the sizing die carbide insert.

    If your gun has an oversize chamber, it will be more noticeable then if it has a tighter chamber.

    But as long as the sized brass will drop freely in & out of the chamber, there is no problem.

    rc
     
  9. HOWARD J

    HOWARD J Member

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    When I raise the ram--the shell holder pushes the die up about 1/16"---the die is in a lee turret--there is always a little play in the Lee turret press.
    I will try other brands of cases---I have resized CBC, Starline & WIN cases.
    They look better than this W-W group of cases.
    Brass drops good.
    Funny thing about cases---I have a SAVAGE 243
    EDGE--when I use Winchester cases I get a good
    bulge above the web. When I use Prvi-Partizan cases they come out of the gun looking like a new shell. Hornady has a slight bulge.
     
    Last edited: Oct 19, 2011
  10. HOWARD J

    HOWARD J Member

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    I was having the same problem with Hornady resizing die---they are sending me a new die.
    I picked up an RCBS resizing die & it works perfect on the 380 cases.
    I don't get a bad die very often from anyone of the Co's--but it happens.

    For what I paid for the Lee die -- it is not worth sending it back for a new one.
     
    Last edited: Nov 2, 2011
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