A quick demonstration by Paradise Hobby Store in Hong Kong of the GHK DD M4 PDW gas blowback. The GHK DD PDW V3 GBB boasts a plethora of improvements, including a new bolt carrier with increased cylinder capacity, a redesigned nozzle for enhanced accuracy, a quick HOP adjustment system, a stainless steel V3 buffer, and new GMAG V3 magazines with improved air capacity and gas efficiency.
