Originally Posted by Fungyi
It is intended to be used in a war game... If the design is to be pneumatic, as I envision it, it can be installed with porting to allow selectively lowering the FPS, to whatever the site/group deems to be non-injurious enough...
I think you need to do some research and get your facts straight (you don't even know the difference between an airgun that shoots metal BB's and an airsoft gun that shoots plastic BB's?!).