[kalnaren]

Originally Posted by baron

Here in America, we have a metal spring head: http://www.airsoftpost.com/reinforce...s-p-26050.html It seems to be universal, but I'm not sure as I don't have the gun yet (got a bad gas gun that broke, had to send it back). Also, will any small type battery work?

That's called a spring guide. For a moment I thought you meant a piston head. Also that's for an ICS mechbox, not sure if it will work in a standard V3, though it says it will and it looks the same. Do yourself a favour and just get a guarder bearing spring guide.