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Bought a bag of 250 pcs of new Federal American Eagle 223 brass.. ??

Discussion in 'Ammunition & Reloading' started by John Gault, Jan 6, 2016.

  1. John Gault

    John Gault clackamas county Bronze Supporter Bronze Supporter

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    So I bought a bag of this brass at Cabela's last month on sale and finally opened it up. The brass looks like new and goes into my case gauge nicely sized but it measures 1.740. I measured half a dozen and they are all very close tolerance but I thought that 1.750 was the short end and I always trim to 1.755 and if I go over a bit I can still hit 1.750 on a separate pile.

    I put 1 thru my RCBS sizer die just to see what happens and I can get 1.742..

    Any thoughts? Still fairly new to reloading and so I like to stick to the cook book as much as possible..
     
  2. rick benjamin

    rick benjamin USA, Or, Damascus Secure the drama Silver Supporter 2016 Volunteer

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    I think those cases will shoot fine.
    Minimum oal for .223-5.56 is 1.740.
    Maximum oal for .223-5.56 is 1.760.
     
    Steve M likes this.
  3. Dyjital

    Dyjital Albany, Ore Flavorite Member Bronze Supporter

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    1.750

    +/- .01"

    + is max
    - is min
     
  4. fxdc

    fxdc Da Valley USPSA, SPEED STEEL, IDPA, 3 GUN

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    1.750 is Nominal
    +/- .010
    But .010 is a lot in relation to your taper crimp.

    .010 is a football field in my trade as I split tenths (that's 50 mill) .
     
    Dyjital likes this.
  5. fxdc

    fxdc Da Valley USPSA, SPEED STEEL, IDPA, 3 GUN

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    I agree with Rick !
     
  6. Scott F

    Scott F Oregon City, OR Active Member

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    Max is 1.760 so it is a little short but that is not unusual.

    BTW, I texted you. I am home and ready to get together. Text me your schedule.
     
  7. ageingstudent

    ageingstudent NW Oregon Bronze Supporter Bronze Supporter 2016 Volunteer

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    It's fine unless you are seating a short bullet way long, or it might not reach a cannelure the way you'd like it to. You just have a little less brass gripping your projectile. Just means you won't have to trim as soon. Measure some factory loads sometime. Depending on the company it's eye opening to see how some brands vary in brass length and oal. A good general rule of thumb for a .224 projectile is to have at least .224 of the length of the projectile seated inside the case neck.
     
  8. John Gault

    John Gault clackamas county Bronze Supporter Bronze Supporter

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    Thanks everyone! I'll probably load these with my 55 grain V-max or Z-max and I don't crimp them anyways..
     
    Dyjital likes this.