It out now,
YouTube - ‪RA-TECH WG ROTARY, GHK AKM WOOD KIT & VFC MP5A2‬‏
@4:45 Apparently there's a anti-fire feature like SRC AK (I wish it was like GHK instead)
FPS is too high for CQB games (probably what it would be used for) and not enough for Classification No.9304001010