A Hop-Up System that will be in stock very soon in Hong Kong gets scrutinied by Knuckles GSM. The APS-X WE/Tokyo Marui Hi-Capa System looks like it's going to be in demand by users of these gas blowback pistols... "Got this from Impact Force CQB, thanks to them and UAC Alvan for sending this to me, sorry it took so long to do a video on it, got caught up with life. So far, I was impressed with how much overspin there was...but I need to do more digging on this product for sure..."