Mounting a rail to Supernova

[Alpengeist]

How do i pop out the little plastic plugs to mount the rail?

Thanks

[KB Fab]

Field-strip the weapon including the removal of the trigger group. Then, take something like a pin punch and pop them out. I did it from the inside-out .

[Alpengeist]

ok thanks.. didnt know itd take a hammer to get those things out