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Thread: reloading a 5.56 brass using .223 dies

  1. #1
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    reloading a 5.56 brass using .223 dies

    Guys, I need your help.

    I've been reloading handgun ammo for 12 years now but it's my first time to reload a rifle ammo. My first concern is all my brass are 5.56 and my dies are marked .223. Can i reload safely using a .223 dies? is this safe? I'll be using it in a 5.56 chambered M4.

    Thanks for the help.
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    Not a problem at all.
    Kelly H
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    Yes, the 5.56 is a chamber spec, not a brass or cartridge spec. The 5.56 brass will most likely have a lower capacity than the commercial brass, so watch it when you get closer to max. Capacity is close but the 5.56 brass usually has thicker walls in some lots, reducing internal capacity.
    Disclaimer: I am the owner of Freakshow Mfg LLC.

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    Quote Originally Posted by chime View Post
    Guys, I need your help.

    I've been reloading handgun ammo for 12 years now but it's my first time to reload a rifle ammo. My first concern is all my brass are 5.56 and my dies are marked .223. Can i reload safely using a .223 dies? is this safe? I'll be using it in a 5.56 chambered M4.

    Thanks for the help.
    As has been said, 5.56 and 223 brass is the same external dimensions and the same dies are used for both. 5.56 is the chamber spec -- shape and dimensions of the chamber in your gun -- not the brass dimensions spec -- and is also a pressure spec.
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    Quote Originally Posted by freakshow10mm View Post

    . . . The 5.56 brass will most likely have a lower capacity than the commercial brass, . . . the 5.56 brass usually has thicker walls in some lots, reducing internal capacity.
    False.


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    Thanks guys for the info.

    About case trimmer, Do i have to trim the case everytime i reload? as of now, i don't have a case trimmer.
    Diligentia, Vis, Celeritas

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    Quote Originally Posted by Molon View Post
    False.


    Thanks for your insight. I load .223 for a living. I've got a bit of experience working with both .223 and 5.56 stamped brass.
    Disclaimer: I am the owner of Freakshow Mfg LLC.

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    Quote Originally Posted by freakshow10mm View Post
    Thanks for your insight. I load .223 for a living. I've got a bit of experience working with both .223 and 5.56 stamped brass.
    Nothing personal, but I know a lotta guys that work on cars for a living that don't know crap about them. They're parts swappers. Just because you load .223 for a living really doesn't mean a whole lot. Maybe you refill primer dumps at LC. We don't know. The man posted up established material. Refute it if you can. Otherwise we all just roll our eyes and discount what you say.
    Last edited by KellyTTE; 11-08-09 at 22:29.
    Kelly H
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    Well, I don't have a fancy chart, but here's a small sample of 100pcs each stamp. Guess I'm full of crap then. Carry on.

    LC 29.7gr
    WCC 29.9gr
    RP 30.7gr
    Winchester (commercial) 30.8gr
    Disclaimer: I am the owner of Freakshow Mfg LLC.

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    Here's another "fancy chart;" this time from the extremely knowledgeable folks at 6mmBR.com.


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    Excuse me for asking but what does the H20 capacity refer to?
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    Quote Originally Posted by E98T View Post
    Excuse me for asking but what does the H20 capacity refer to?
    Using water as a method of measuring capacity, since water will fill the case completely, including nooks, crannies, etc that other medias might not be able to due to surface tension.
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    Quote Originally Posted by E98T View Post
    Excuse me for asking but what does the H20 capacity refer to?
    How much water an empty case holds. A measure of case capacity basically
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    Quote Originally Posted by eguns-com View Post
    How much water an empty case holds. A measure of case capacity basically
    Simu-Post. Was it good for you Chad?
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    not to highjack the thread, but Im going to be doing reloads, and all my brass is 5.56 Lake City. My question is, Im wanting to load to XM193 Specs, would the 30.4 grains be what I would want to start off trying with?
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    Quote Originally Posted by jwfuhrman View Post
    not to highjack the thread, but Im going to be doing reloads, and all my brass is 5.56 Lake City. My question is, Im wanting to load to XM193 Specs, would the 30.4 grains be what I would want to start off trying with?
    Please go buy a reloading manual, they are relatively inexpensive and it will have most of the information you need to get going, along with load data.

    Loading to replicate XM193 will vary depending on the type of powder you use. Before ya start throwing powder charges, do a little reading, it will save you a lot of headache (physically and mentally) in the long run.

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    Quote Originally Posted by Keesh View Post
    Please go buy a reloading manual, they are relatively inexpensive and it will have most of the information you need to get going, along with load data.

    Loading to replicate XM193 will vary depending on the type of powder you use. Before ya start throwing powder charges, do a little reading, it will save you a lot of headache (physically and mentally) in the long run.
    What he said.

    The 30.4 grains is just water capacity used as a relative measure of overall case capacity when comparing cases and of little or no other use and it has no real relation to any sort of load you might use.

    Get a loading manual or three and read them. Especially the parts at the front that are not recipes but general HOW TO and other bits of wisdom and knowledge on reloading.
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  18. #18
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    already got them. just cant find ANY data on XM193 loads so I was just curious, no need to come off sounding like assholes.... cause thats what ya just did.

    already do handloads for 45ACP, 40S&W, 44mag, 45 Colt, 308, 30-06 and a few others. just cant find any data on the XM193 factory loads and want to come as close as possible to those.
    Last edited by jwfuhrman; 11-16-09 at 12:24.
    Be without fear in the face of your enemies.
    Be brave and upright that God may love thee.
    Speak the truth always, even if it leads to your death.
    Safe guard the helpless and do no wrong.


    In the end, as you fade into the night, who will tell, the story of your life?
    ---------------
    JF Arms Company - Owner
    Indiana Multigun - MD @ Hillside Shooting Sports

  19. #19
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    Quote Originally Posted by jwfuhrman View Post
    already got them. just cant find ANY data on XM193 loads so I was just curious, no need to come off sounding like assholes.... cause thats what ya just did.

    Pot, meet kettle.

    You asked a question which was ignorant and in the hope of helping you and making it clear to others so that they don't hurt themselves we pointed out your error.

    The only one sounding like an asshole is you.
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    Quote Originally Posted by jwfuhrman View Post
    already got them. just cant find ANY data on XM193 loads so I was just curious, no need to come off sounding like assholes.... cause thats what ya just did.


    just cant find any data on the XM193 factory loads and want to come as close as possible to those.
    That would be because there aren't any manuals that are going to give reloads as 'matching xxx spec', in this case XM193. What you'd have to do is chronograph some XM193 out of your rifle then start with an underpower load and work your way up to a similar fps reading. Given your extensive experience with other loads, I would have thought you'd know this.
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