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LC .223 brass, does year matter?

Discussion in 'Handloading and Reloading' started by chrome_austex, Aug 6, 2010.

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  1. chrome_austex

    chrome_austex Member

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    I have an assortment of LC brass from '03-09 (although most of it is 06,07,08). Are the different years known to have different properties?

    In other words, should I sort this stuff by year, or can I treat it all the same?

    Its going into my Wylde chambered AR15 for use in highpower competition.

    thx
     
  2. rcmodel

    rcmodel Member in memoriam

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    It is more or less all the same.

    But with that said, you probably aren't going to win very many hi-power matches shooting mixed brass.

    Sort it by year, and shoot it that way.

    If you see any signs of having to change long range sight adjustments a click or two when changing from one year to another?
    That is what we like to call a clue it is not exactly the same case capacity.

    rc
     
  3. A and O

    A and O Member

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    Although I don't buy OFB in 223 it would seem self evident that "09" brass would have a better chance of being once fired. Another indicator would be whether the crimp is still there. Unless I knew the seller of OFB 223 I would want the crimp there for me to remove. If the crimp is still there the year does not matter.
     
  4. JDGray

    JDGray Member

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    After weighing LC cases, year won't matter. I had piles of brass sorted by weight, and had the same year headstamp in all the piles.:scrutiny: For the best accuracy, weigh the cases, shoot the same weight cases together.
     
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