CNC Upper RAS System for MK46 Series Airsoft AEG Machine Guns

"Bought this and the screws needed to mount to the A&K M249 MK46 was
M5-0.8 x 12mm 10.9

"Will this fit on my A&K M249 para? If so, will an m203 fit comfortably on it?

"will this fit my echo1 saw with out modification or should i just go with the classic army one. i like this one better

Webmaster: They are the same in finish / fitting. G&P has rail panels so its a better deal.

"Comes with no mounting hardware.