He didn't do his research and just came here expecting us to spoonfeed him.
Who actually manufactures this gun?
They offer a black or clear version on that website, so as long as he ordered clear he wouldn't have a problem.
Having a spring backup option does appeal to me - but since it's not tried and tested, I would assume that it'll mean poor performance and limited upgrade potential (since it will use proprietary parts in the mechbox).
POS. Paint it black and add a sling and a flashlight, then game it until it breaks and throw it away.