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Thread: M193 chamber & M855 chamber : what differences ?

  1. #1
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    M193 chamber & M855 chamber : what differences ?

    I am aware of the differences between a 5.56 NATO chamber & a .223Rem chamber.

    But...what about the differences between the M193-type chamber and the M855-type chamber ? (okay, the twist is different, but are the freebore & the lead angle similar for both chamber ?)

  2. #2
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    The M16/M4 chamber is the M16/M4 chamber.

    Various manufacturers may have variations.

  3. #3
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    Thank you Lysander, I hoped for an anwser from yours.
    Pretty much perfectly answered my question; thank you.

  4. #4
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    Where did you get the idea that the chamber changed?

    I’ve never heard it asked before.

  5. #5
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    No such thing as an M193 or M855 chamber.
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  6. #6
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    This right here.

    OP; are you asking about actual types of chambers, I.E. Wylde, 5.56, .223, CLE etc?

    Quote Originally Posted by Clint View Post
    No such thing as an M193 or M855 chamber.

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