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  1. #1
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    .223/5.56 clarification

    ok I'm trying my hand at reloading .223, so go buy 5.56 bulk ball ammo, and realize my projectiles i have are specifically .233. so my question is can i use that 5.56 brass to reload .223 projectiles. i know my post might not make a lot of sense but i can explain if its too vague. clarification would b appreciated. i understand that .223 and 5.56 round are basically the same. but any finer points explanation would b appreciated thanks everyone.

  2. #2
    Grandmaster Bunnykid68's Avatar
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    A barrel made for 5.56 can also fire .223.
    A barrel made for .223 should only fire .223 thru.

    Hope that helps a little.
    Quote Originally Posted by PaulF View Post
    The bunny is legion. It cannot be banned.
    I cut grass for a living

  3. #3
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    yes that part i understand, but i mean specifically in terms of brass. let me be more specific. i bought 5.56 bulk ammo because i had planned on reloading my ammo from now on. i had some projectiles to begin learning how to reload .223. my question is if i trim the cases can i use a .223 (.224) projectile in the once fired 5.56 brass i collected????? my rifle is barreled for 5.56 /.223 thank u

  4. #4
    Grandmaster U.S. Patriot's Avatar
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    Quote Originally Posted by jworm1420 View Post
    yes that part i understand, but i mean specifically in terms of brass. let me be more specific. i bought 5.56 bulk ammo because i had planned on reloading my ammo from now on. i had some projectiles to begin learning how to reload .223. my question is if i trim the cases can i use a .223 (.224) projectile in the once fired 5.56 brass i collected????? my rifle is barreled for 5.56 /.223 thank u
    It does not matter. The neck diameter is the same size, so is the bullet diameter.

  5. #5
    Plinker
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    Yes! A .224" dia. bullet is what you need. Your GTG.

  6. #6
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    thank u everyone. i was under the impression it was basically the same bras, just wanted to make sure. as i am new at the reloading thing. thanks again everyone.

  7. #7
    Plinker
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    You are gtg but for a better understanding on the brass of 5.56 vs .223 check out the pictures below.
    5.56


    2.23

  8. #8
    Grandmaster
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    Quote Originally Posted by jworm1420 View Post
    thank u everyone. i was under the impression it was basically the same bras, just wanted to make sure. as i am new at the reloading thing. thanks again everyone.
    Bullet diameter is the same (.224) the case size is slightly different. 5.56 ammunition (Nato) generally has slightly thicker brass at the case neck.
    NRA Instructor/Dormant U.S.Marine/ NRA Benefactor-Life

  9. #9
    Grandmaster sloughfoot's Avatar
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    When you resize 5.56 brass in a 223 die, it is sized to 223. Even so, there is not enough difference between the two to worry about.

    You could buy brand new unfired 5.56 brass, load it up with a 55 grain FMJ bullet and shoot it out of a 223 rifle at 3200 fps with no worry.

    A 55 grain FMJ commercial bullet is identical to a 55 grain mil-surp bullet.

    You are GTG all the way around.
    Red Fire 372

  10. #10
    Plinker jackadew's Avatar
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    Here is some more good .223 info. 223 Rem + 223 AI Cartridge Guide

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