[ARCHIVED THREAD] - LMT Front Sight Base

Posted: 2/13/2005 2:29:22 PM EDT

Does anyone know if the FSB on an LMT M4 barrel is the same height as the "f" marked FSB on a Colt barrel? Sorry if this has been addressed before.

Posted: 2/13/2005 5:33:38 PM EDT

[#1]

Some are marked, others not.
But all seem to zero with a milspec BUIS.
So I assume they are the height of the F-FSB

Posted: 2/13/2005 8:11:10 PM EDT

[#2]

Mine is not marked F and is a bit high at 50 yards.

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