I’m afraid that’s “beyond my pay grade”, tc. If you get a cogent explanation, pls Ping me to it.
Is a toy, water squirt-gun considered a “legal weapon”? Just asking.
I would say not a weapon as it does not meet the requirement of discharging a projectile by means of an explosive. It COULD be a distructive device if you say loaded it with acid or flamable (I would think).