I've just noticed that a spring of about 150 m/s is made both for aeg and for vsr. There are any differences? If they have the same m/s should don't have the same power?

I've recently built my first gun. It is a JG Bar 10, with the airsoftpro 90 trigger group, piston and 150 spring, Action Army hop up chamber, stock barrel with custom spacers and all cavities filled with high density foam. Stock hop up bucking. Stock cylinder and cylinder head. All the parts...

So I've been working on my UTG Type 96 for a while now, and I've arrived at the point that all I need to upgrade now is the spring. Naturally, I looked around the forums for threads relating to this topic, and came up with generally inconsistent and choppy info on spring preferences. So I'm...