Quote: "I think it's a phenomenal model mate."
I do not. It's a cardboard cutout, with a photo for a texture, badly considered geometry, and the barrel geometry is weird, it scales in and affects the rest of the model.
Quote: "I advise all of you to stop picking on him NOW."
Do you now? Is that so? Well, why should we take your advice? You are not a mod, we don't take your word as law.
To the original poster. This is a good model for a first attempt, but you need to use multiple boxes and weld them together, rather than one piece of geometry.
"You are not smart! You are very un-smart!"