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223 brass length

Discussion in 'Handloading and Reloading' started by ole farmerbuck, Nov 4, 2009.

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  1. ole farmerbuck

    ole farmerbuck Member

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    I got a pile of mil brass. Cleaned,swaged,resized and quick job on uniforming the primer pockets. I noticed very few of them are needing trimmed. Most of them arent even up the min length. Should i trim all of them to the shortest case length or just trim the few that are over max?
     
  2. freakshow10mm

    freakshow10mm member

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    Trim only when needed.
     
  3. ole farmerbuck

    ole farmerbuck Member

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    Sounds good. Why they are so short even after resizing. Some are .004 or so too short.
     
  4. Deavis

    Deavis Member

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    Define too short. What is the length of the casing?
     
  5. ole farmerbuck

    ole farmerbuck Member

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    They range from 1.744 to 1.760. Very few of the longer.
     
  6. Walkalong

    Walkalong Moderator

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    After sizing, if they are over about 1.760, trim to 1.750. Some won't let them get that long before trimming back to 1.750. Too short won't hurt anything, but if they get long enough to jam into the leade it can cause severe over pressure.
     
  7. ole farmerbuck

    ole farmerbuck Member

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    Yea i was just wondering if accuracy would be any better if i trimmed them all to the shortest lenght.
     
  8. Walkalong

    Walkalong Moderator

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    Consistency never hurts accuracy.
     
  9. ForneyRider

    ForneyRider Member

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    Yea, I would go to shortest length.

    Mine end up at 1.74-1.76in after f/l resizing and trimming with Lee trimmer.

    RCBS recommends going .02 short for their X die. I use their die for 8x57, but not for my AR. Instead, I use the Redding bushing match dies.
     
  10. Deavis

    Deavis Member

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    Trim them to be uniform, the minimum case length in the 223 spec is 1.740". You could trim to 1.745 and get everything but the very low ones 1.744". Depending on how uniform your trim is, that will be probably be within the variation of your ability.
     
  11. ole farmerbuck

    ole farmerbuck Member

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    I use a RCBS power trimmer. I gets them all pretty close to the same. Guess i have a lot of trimming to do.
     
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