i think that i'll prob go with the kjw being cheaper and from what i've understood very similar to the ksc...
i found these 2 what do u guys think? CO2 or regular gas?
http://shop.ehobbyasia.com/kjw-gbb-m9a1-metal.html
http://shop.ehobbyasia.com/kjw-gbb-m9a1-metal-co2.html
are these full metal or just the slide? the descriptions are kinda deceiving...