Bad Reputation Air-soft frame

This is the Bad Reputation submachine gun from the game Destiny 2 that has been molded and modified to fit over an electric airsoft pistol. This effectively turns the pistol into a submachine gun that shoots fine. I know this is not a perfect model, but it is my first attempt at doing something like this. You do not have to make any modifications to the airsoft pistol to make it fit in the frame, just print it and slap it together.

This is the airsoft pistol that is used for this model:
https://www.evike.com/products/50256/

Important note, if the pictures I have managed to get uploaded, they were taken after the project was broken by my younger cousin, so it does not represent the complete model.