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11/27/2012 1:16:11 PM EDT
Have an upper, only marking is a "K".  It is an A1 style.   Can someone please tell me who made it?  Your asistance is greatly appreciated.
11/28/2012 3:44:52 PM EDT
[#1]
Anyone.......?
11/28/2012 5:09:44 PM EDT
[#2]
Hard to say. The K sounds like just a forge mark to denote tha raw forge came from Kaiser. Any numder of machine shops could have finished it.
11/29/2012 5:57:02 AM EDT
[#3]
Thnak you replying.  I didn't know if that anything like a "smoking gun" as to who made it or not.  And yes, a litle pun was intended.  I have it on an RRA lower, 7.62x 39-former entry gun for a local SWAT team.  Got it for a steal when "Uncle" gave out a grant and we used it to standardize on M4's.
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