Posted: 5/28/2002 8:35:46 PM EDT
Is the M4 actually an "M16 A4" or is it designated as an "M4?"
If so, then why the huge change in its designation?
The M4 is a carbine version of the M16, early on with a carry handle, now mostly with flattop. The M16A4 is a flattop version of the M16A2, still 20" as is the M16A2.
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