Full length sizing?

Full length sizing?

This is a discussion on Full length sizing? within the Reloading forums, part of the Defensive Ammunition & Ballistics category; When using new/unfired brass is it necessary to full length size it? Once it has been fire formed I plan to only neck size it, ...

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Thread: Full length sizing?

  1. #1
    Senior Member Array flagflyfish's Avatar
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    Apr 2007
    Beaufort, NC

    Full length sizing?

    When using new/unfired brass is it necessary to full length size it? Once it has been fire formed I plan to only neck size it, and sort it for weight+/- .2gr
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  2. #2
    Member Array Cloudpeak's Avatar
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    Aug 2007
    Quote Originally Posted by flagflyfish View Post
    When using new/unfired brass is it necessary to full length size it? Once it has been fire formed I plan to only neck size it, and sort it for weight+/- .2gr
    I assume you're asking about rifle cartridge reloading? When I used to reload for rifles, I always full length resized, new brass or fired and never weighed the brass. The last long gun I sold, a Ruger 77 270 shot under an inch at 100 yards. The owner says it still does. (Man, I loved that rifle but, due to shoulder problems, no longer shoot long guns.)


  3. #3
    Distinguished Member Array sniper58's Avatar
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    Aug 2006
    Eastern Ohio
    From a rifle standpoint, I don't usually find it necessary to resize at all with new brass. The worst thing I've had to do is run a few dented cases through the resizing die to get the necks straightened out. Having said that, my results speak for themselves. With my .30-06 and Hornady 165 gr. SST's, I consistently get .40" at 100 yards, 1.2" at 300. The 180 Hornady Interbond groups worse. I only get .70" at 100 yards and 2.3" at 300 yards. I can't speak of pistol reloading as I am not there - yet.
    Last edited by sniper58; February 20th, 2008 at 12:37 AM. Reason: addition
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  5. #4
    Ex Member Array Ram Rod's Avatar
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    Dec 2007
    Fayetteville, AR
    My equipment resizes the case neck only. On second reloads, I'll end up needing to trim the cases. Brand new nickel plated cases should be sized before loading the first time. I also check cases for thickness and turn the necks when needed. I load for the 6.5x55, .308, and 22-250.

  6. #5
    VIP Member Array coffeecup's Avatar
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    Sep 2007
    Ammo for serious target shooting should be neck sized only, after fire forming.

    Try this one on for size: Back in the days of my avid groundhog hunting I neck sized .243 rounds then used a 1/4 drill bit to remove the brass that had flowed into the case neck, then neck sized the second time. Oh the joys of being too poor to afford a case neck turner.

  7. #6
    VIP Member Array Tubby45's Avatar
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    May 2005
    Making ammo.
    Yes. FL size first, then neck size until it won't chamber then FL size again.

    All hunting ammo is FL sized as function beats accuracy.
    07/02 FFL/SOT since 2006

    Probably the only home based FFL that doesn't do transfers.

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