Contact an EE mod.
Could be any number of reasons. Did you mail the MO on the 27th? Either way it's not extremely long if there is a good reason for delay.
I have received my third ordered from him today. I would contact him to find out what is going on. His communication and shipping were very good. I don't think you have anything to worry about. Thanks,
Moved out of the handgun parts and mag sections.
His two ads were locked and he was suspended from the EE for being a none paying dealer.