At-15 laser tag model needed

I need someone to 3d model me a ar-15 gun body to be 3d printed!! Model must be 3d print ready to be printed and be able to fit the components in the body after being printed!! Budget is not very negotiable. $50-$75 for right design I’m looking for. Doing within a budget frame. Would need this done asap but can work with the right designer!! Attached are examples of current gun design