Quote Originally Posted by rich_morris View Post
Perhaps you could also include things like piston weight, std spring dia., gauge and coils?
Piston weight would be a nice idea!

look here for spring details:
http://www.airgunbbs.com/showthread....ng-data-thread

If people add the info we need to this thread I'll happily amend the first post so people can find what they need with out trailing through the thread.