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.223 Load

Discussion in 'Handloading and Reloading' started by giggitygiggity, Sep 6, 2009.

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  1. giggitygiggity

    giggitygiggity Member

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    Does anyone use IMR SR 4759 powder to reload .223Rem? I want to use it for reloading 55gr FMJ bullets. Does anyone know about how much powder I will use per round? Is this a good powder to use for .223? Thanks.
     
  2. steve4102

    steve4102 Member

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    No, I do not think it is a good powder for the 223. If it was it would be listed in several manuals. This is a fast powder and if you are loading it in an AR or similar semi-auto it may not cycle the action.

    If you must have data I found this for you.
    http://stevespages.com/224_8_55.html
     
  3. giggitygiggity

    giggitygiggity Member

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    How about IMR 4227 for use in a .223 AR15? Thanks.
     
  4. steve4102

    steve4102 Member

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    Why such fast powders for your AR? There is a whole host of excellent powders in the proper burn range for the 223 AR. Powders like 335, Tac, 2230, Varget, X-T, 748 etc. etc.
     
  5. NCsmitty

    NCsmitty Member

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    As steve4102 mentioned, the two powders that you mentioned are really too fast burning to be considered for use in an AR with 55 FMJ. They can be used with lighter bullets but they build pressure rather quickly with their burn rate.
    There are much better powders to use in the application that you mention.
    Check your load manuals for good powders or look at www.hodgdon.com, www.ramshot.com or www.accuratearms.com/.


    NCsmitty
     
  6. giggitygiggity

    giggitygiggity Member

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    Alright, I found a load that uses Ramshot Xterminator powder from Ramshot's website. Will a loading with this powder be suitable for use in an AR15? Thanks.
     
  7. Walkalong

    Walkalong Moderator

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    Yes, it will work, although Tac may be a better choice.
     
  8. loadedround

    loadedround Member

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    SR4759 is a powder normally used for reduced loads in rifle cartridges. This powder really has no application in the 223/5.56 cartridge; however where there is a will, there is a way and someone may come up with an application for it.
     
  9. steve4102

    steve4102 Member

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    Yes X-T will work. I use it as well as other Western ball powders like Tac, 2230 and 2520. What manuals to you have on hand? They should have quite a list of excellent 223 powders.
     
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