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5.56 m855 penetrator in a .223 rifle?

Discussion in 'Rifle Country' started by slash415, Mar 9, 2012.

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  1. R.W.Dale

    R.W.Dale Member

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  2. alsaqr

    alsaqr Member

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    Never hear of a .223 rifle having a kaboom with 5.56 ammunition. Cant' say the same about using .223 ammo in .223 chambers. Winchester Ranger law enforcement ammo destroyed four SWAT AR-15 rifles during a training session. Looks like Winchester does not test every lot.


    http://www.thetruthaboutguns.com/20...ster-ranger-223-ammo-recall-explained-almost/


     
    Last edited: Mar 14, 2012
  3. The War Wagon

    The War Wagon Member

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    Awesomeness bears repeating... ;)
     
  4. alsaqr

    alsaqr Member

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    i like this quote from The War Wagons link:


     
  5. awgrizzly

    awgrizzly Member

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    Thank you Coltdriver, I suspected as such but I never heard it stated by another. The thing I wrestled with was that the cartridge dimensions are the same, and the heavier bullets could not make the overall length longer and still be in spec (or even fit in the magazine). But it still puzzled me because the same chubby bullets would be loaded in .223 cartridges as well as the 5.56 NATO.

    Then I read the link provided by The War Wagon and it all fell together. Basically, the difference in leades produces lower pressure in the 5.56 NATO chamber and as a result the military is able to spec higher pressure loads.
     
  6. sniper762

    sniper762 Member

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    I've shot 1000s of 5.56 in my savage .223 rifle......no problems
     
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