The AirsoftJunkiez Custom Expert Series: Blood Drop is a high-performance airsoft gun featuring a custom Cerakote lower, a Gorilla MAC Quick Carbon Upper with integrated hop-up and nub, a PolarStar F2 engine with Fire Control Unit, a custom 165mm inner barrel paired with a 601mm outer barrel, a Maxx adjustable trigger, a Gorilla CNC aluminum grip, a Cat5 Regulator, an Acetech Brighter C tracer unit with a quick release magnet, and your choice of HK Army tank.