Would this rail
http://shop.ehobbyasia.com/hephaestus-cnc-aluminum-top-rail-for-ghk-ak-series.html#.UxRcvIXBRhE
fit on a CYMA 040D?
http://shop.ehobbyasia.com/hephaestus-cnc-aluminum-top-rail-for-ghk-ak-series.html#.UxRcvIXBRhE
fit on a CYMA 040D?