What does OSR stand for?
OSR stands for "Optimized Sniper Rifle"
How to abbreviate "Optimized Sniper Rifle"?
"Optimized Sniper Rifle" can be abbreviated as OSR
What is the meaning of OSR abbreviation?
The meaning of OSR abbreviation is "Optimized Sniper Rifle"
What does OSR mean?
OSR as abbreviation means "Optimized Sniper Rifle"
