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Posted: 4/17/2006 6:08:04 PM EST
Just received a Colt 14.5" M4 barrel. Looks nice but I need some more info on it....sorry, no pics yet but I will describe. Standard profile has the "O" on the chamber but NO manufacture date, the FSB is not marked "F" but it does look to be a bit taller than the standard...will measure later. Has a diamond on right side of FSB that loks like it may be similar to the one on my 20" barrel. Now for the thing that stomps me...it is marked (C) MP 5.56 NATO 1/7. Does anyone have any info on this barrel? Thanks in advance...BTW it is brand new and has the M4 feed ramps
Link Posted: 4/17/2006 6:18:05 PM EST
In a recent thread I believe Ekie said a similarly marked barrel was a 1994 M4 barrel.
Link Posted: 4/17/2006 8:34:38 PM EST
If it has a diamond on the FSB base then it is 1980's, meaning you have a Model 727 barrel.
Link Posted: 4/18/2006 2:05:49 AM EST

Originally Posted By Ekie:
If it has a diamond on the FSB base then it is 1980's, meaning you have a Model 727 barrel.



Guess I need to study some more.
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