Low Poly Futuristic Sci Fi Sub Machine Gun

I wanted to make a very low poly Futuristic Sci Fi Sub MachineGun for usage in a game(for a project, which unfortunately did not pan out as expected and abandoned)... Watch it in 0.1x if you want to see the gun animation clearly.. :) As you can see, I tried to squeeze everything under 592 faces(excluding the bullets) So just showing off my model to you guys... This is the first time I am doing Hard surface modelling and I should say even though zbrush can do hard surfaces, it is easier if you go with box modelling techniques.... I havent had my hands on substance painter yet, so I did the sculpting and painting within zbrush after making the base mesh in cinema 4d. Will release it soon, you guys have a nice day...