Airsoft grenade launcher?

I recently bought a Tokyo Marui full size fusil f1 AEG rifle and Im looking into buying a grenade launcher for it but I'm not sure what kind would fit my airsoft rifle.

What kind of airsoft grenade launcher would you suggest and would I have to buy rails with it? thx!

You can find my airsoft rife by googleing: Tokyo Marui full size fusil f1 AEG

uhh I will ask my brother is loves airsoft guns (I often get shot with them merrr) () ()
)
U

ok, ty

Mad Bull AGX Full Metal BB Shower Launcher

are you talking to me?

Thanks!!