M.I. flip up rear sight. It's called the MWMCTAR-ERS. I think it's the one that comes on an XCR from RobArms. This sight is brand new, I bought a MI-SPLP so I'll sell this one. $100 firm and I'll pay shipping. I'll try to get a pic.
SOLD it at a gunshow this weekend...
SOLD it at a gunshow this weekend...