Originally Posted by wildcard
What they could do is a power in the shell system, sort of like a newer power source couple with a true realistic action. They did this with their old gas and spring system so the next logical place would be in the shell, like a normal gun but instead of gunpowder it will be CO2 or Propane.
Kinda like a Maurzen shotgun? Where you have to go back to all the places you were to pick up your shells/have an ugly shell catcher attached to the gun?
Something like this looks very impractical:
(Airsoft) Shell ejecting CZ75 Marushin/ASG - YouTube