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M4 vs M4A1

Discussion in 'Rifle Country' started by jford1, Dec 8, 2006.

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  1. jford1

    jford1 Member

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    Is the M4A1 replacing the M4 or is it for SOCOM only? Are the new M4s eventually going to have the heavier barrel and H3 buffer? I know that the M4A1 is full auto rather than burst but are the barrel and buffer going to be added to the current issue M4s? Are there any other differences besides the fire rate, barrel profile, and buffer? What type washer (crush/peel) does the current production M4 use? I’m going to build a CMMG or Stag clone and I’m trying to decide between the standard and A1 configuration. I’m not really concerned with the benefit from a heavy barrel in a semi but which version is being purchased by the military currently.
     
  2. Chipperman

    Chipperman Member

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    Here is some info I swiped from ARF.com. It does not have all that you are asking for.

    Here's my understanding of your specific questions:

    Is the M4A1 replacing the M4 or is it for SOCOM only? Limited use, but not just to SOCOM
    Are the new M4s eventually going to have the heavier barrel and H3 buffer? Not sure
    I know that the M4A1 is full auto rather than burst but are the barrel and buffer going to be added to the current issue M4s? I doubt it
     
  3. jford1

    jford1 Member

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    Thanks! So they will probably only issue the heavy barrel and buffer for full auto guns, which makes sense. What other groups use the A1 version? Is it just special teams or are some infantry (army or marines) getting them? It is interesting to me that the military is going back to full auto capable assault rifles even if it is in small numbers. I wonder what the ratio of M4s to M4A1s is and what is projected. Is the A1 supposed to better fill the sub-gun role that a three round burst M4 can’t?
     
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