best AEG "SPRINGS" for CQB
 

What brand of AEG "springs" (parts) you guys think are the best to use for CQB ? Durability and Performance. I know it depends on what you put into your gearbox. I just wanna know what you guys like to use and why?

There's no "best" spring. For cqb, you use any spring that causes your gun to shoot under 350 fps. The important part is consistency from shot to shot. It's everything else in the compression system that affects that.

Prometheus M90 ~ M100 depending on the rest of your setup

A nice chart with a lot of springs listed. You can take a look at what's in the FPS range of what you want.

ASC Spring Chart
http://www.airsoftcanada.com/SpringChart.php

"Modify" Brand Spring Chart
http://www.airsoftparts.ca/news/modifyspringtest.pdf

Note that the modify spring chart does not list the S90 spring, however the S90 typically fires about 330FPS.

Be advised all numbers are variables and can be affected depending if you have done any previous modifications to your rifle.

You don't really worry about durability when you're buying a spring...
They're not going to break easily.