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Archived [ARCHIVED THREAD] - m4 barrel profile
Posted: 1/30/2006 3:37:02 AM EDT
do ALL military M4s have the 203 mounting steps on the barrel? i just started wondering about it yesterday. thanks.

Link Posted: 1/30/2006 3:39:00 AM EDT
[#1]
well the "m4" is what the barrel is called with the m203 step.
Archived [ARCHIVED THREAD] - m4 barrel profile
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