As this is a MMO, your "bottleneck" could be your network performance.
Still, the game should play well given your specs and the game requirements. Don't worry about bottlenecks. Just adjust your settings, once you start playing to optimize your game experience.
Lets say it has 8gb of DDR2 667mhz ram
Warthunder on Movie Settings (not sure if you heard of the game)
Windows 7 Ultimate 64bit
500watt PSU
A 1024x768 Monitor
As this is a MMO, your "bottleneck" could be your network performance.
Still, the game should play well given your specs and the game requirements. Don't worry about bottlenecks. Just adjust your settings, once you start playing to optimize your game experience.