who uses this mark ?

[cz7]

on the upper receiver with an arrowhead.... anybody seen this one before ?

[caelumatra]

Vltor?

Like this
http://www.vltor.com/images/ts3/HomeTS3-Lg.jpg

Even though its not an arrowhead it looks sort of like one

[Iraqgunz]

You already posted this same question in you other thread.