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AR15.COM
3/21/2010 4:12:32 PM EDT
I just picked up a 2nd gen 19 and cant find out when It was made. The serial number is ZM###US. Can anyone help? Or maybe its ZM0##US?
3/21/2010 4:28:15 PM EDT
[#1]
Feb. of '92.
3/21/2010 6:09:33 PM EDT
[#2]
Dupe Post - Please refer to other post on this subject