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differences in dies labelling and such HELP...

Discussion in 'Handloading and Reloading' started by R00KIE, Nov 26, 2008.

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  1. R00KIE

    R00KIE Member

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    I may not know anything. (apparently)
    I am looking at these 7mm dies online to buy.
    RCBS makes them

    Whats the difference between these???

    #1. 13601 - F L DIE SET 7MM REM MAG
    #2. 13602 - NECK DIE SET 7MM REM MAG
    #3. 34201 - F L DIE SET 7MM T/CU
    #4. 34202- NECK DIE SET 7MM T/CU

    I am guessing FL means full length???
    what does T/CU mean?
    And what does a neck die do?

    Thanks.
     
  2. Walkalong

    Walkalong Moderator

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    F L. Yes, full length

    Neck die. Sizes only the neck

    7MM TCU link

    There are a number of 7MM cartridges out there.
     
  3. R00KIE

    R00KIE Member

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    OH! That is a different caliber alltogether missed that! . . . you would think I had never shot anything before . . . ha ha ha ha I must STINK of Newb!

    So for my reloading kit I will want FL dies then correct?
    Or why would I want to only size the neck?
     
    Last edited: Nov 26, 2008
  4. SASS#23149

    SASS#23149 Member

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    most folks who shoot bolt action rifles just size the neck of the case IF it was originally fired in THEIR rifle,as the body is fire formed to that rifles' chamber.
    less effort and less working of the brass.
    lever guns and semi autos don't have as much camming action as a bolt gun does,so neck sized ammo can be harder to chamber.
     
  5. R00KIE

    R00KIE Member

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    So If I were reloading a 7mm then I want a neck die set.

    But If I was loading 223 or 308 for my auto guns or my 30-30 I would want FL set

    generally speaking is this correct?
     
  6. mkl

    mkl Member

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    Yes, that is correct.

    If after several firings in your 7mm you find the bolt beginning to show some friction on closing, you will need a FL die to set the shoulder back .002" to .003". Then go back to neck sizing only.
     
  7. rcmodel

    rcmodel Member in memoriam

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    Get the FL set.

    I don't think "most folks" neck size only. "Most folks" reload with FL dies for everything they reload.

    If you are loading for a hunting rifle especially, you want to full-length size in order to be sure ALL your ammo will fit in your rifle half-way up the side of a mountain in a snow storm!

    If you load for utmost accuracy only, then neck-sizing might help. It will also extend the life of the brass somewhat.

    If you later decide to play with neck sizing, all you need to do is back off the FL die a little until it only neck sizes. If you see any benefit, then you can buy a dedicated neck-sizing die if you want too.

    rcmodel
     
  8. Walkalong

    Walkalong Moderator

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    + 1 Start with the FL die set.
     
  9. mkl

    mkl Member

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    Nice to see that I'm not the only one who "neck sizes" with a full-length die.

    I got beat up so bad over my terminology.

    See: http://www.thehighroad.org/showthread.php?t=358591

    I agree with rcmodel & walkalong; I'd buy the FL die first, and then go to the neck size only dedicated die if accuracy or brass life showed significant improvement with neck sizing only.
     
  10. MMCSRET

    MMCSRET Member

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    I know only a few people who necksize only and they are extremely competitive shooters. Most people FL size and I being really PO'ed if a round won't chamber in that same snow storm on the same mountain use a small base FL die for my game rifles even though they are bolt guns.
     
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