What does MRR stand for?
MRR stands for "Model Railroader Magazine"
How to abbreviate "Model Railroader Magazine"?
"Model Railroader Magazine" can be abbreviated as MRR
What is the meaning of MRR abbreviation?
The meaning of MRR abbreviation is "Model Railroader Magazine"
What does MRR mean?
MRR as abbreviation means "Model Railroader Magazine"
