Airscale is pretty close to releasing their 1:32 scale Boulton Paul Defiant Mk1

This is partial text from the full article (usually with photos) at https://aeroscale.net/news/boulton-paul-defiant-update
Airscale is pretty close to releasing their 1:32 scale Boulton Paul Defiant Mk1
Does anyone know why forward facing cannons or MGs were not fitted as that would have made this aircraft a scary opponent.
At a guess, probably the added weight. Turret & gunner not lightweight.
Mal