OkayannoyaChertila
Your mistakes: :
(First)
Your textures is horrible. Every map is VERY smooth. You have to improve your drawing skills, because this textures is horrible
(Second)
Your description is bad, because you don't use spaces .You made a rig for the granade??? Seriously??
If i were you i'd use HTML tags.
(Thirtly)
Not enough photos. You didn't showed me a photos with the grid, UV map and all the details of this model.
(in the fourth)
The model is not proportional.
(fifth)Never upload low price models.
Model is horrible :(