Would it be possible to put different furniture on this model? Different stock?
Is it possible to mount a scope on this rifle?
Yes, using this mount Air Venturi M14 Scope Mount...
No, there is no scope mount/rails to do so.
Is there a scope mount for this rifle?
I'm sure you could find one on another site if you really tried, but on Pyramyd, sadly no.
is this full metal
Yes, full metal