More options to upgrade your Tokyo Marui MWS gas blowback rifle with the release of the F4 Defense G2 F4-15 Receiver licensed to Dytac, as well as enhances mag release and buffer tubes for the MWS... "We had built numerous SLR and F4 Defense airsoft products and thanks to you all, we always received positive feedbacks and support. It is time for us to bring more of these newest and hottest items to you and please let us introduce them to you all now.