Not sure that I agree with "MOST ACCURATE MODEL OF E-11 BLASTER AVAILABLE ANYWHERE!" - the spring should be metal, not 3D printed material, for starters. I'll let the E11 experts go ahead and weigh in on what else is inaccurate.
I will give kudos for having an articulating stock, though. That's a nice touch.
I would not purchase this, personally.
$25 more can get you a B grade hyperfirm, or a little more for a resin kit that is probably more detailed.