What does MUR stand for?
MUR stands for "Modular Upper Receiver"
How to abbreviate "Modular Upper Receiver"?
"Modular Upper Receiver" can be abbreviated as MUR
What is the meaning of MUR abbreviation?
The meaning of MUR abbreviation is "Modular Upper Receiver"
What does MUR mean?
MUR as abbreviation means "Modular Upper Receiver"
