Carbon Upper (HPA)

CNC-cut, hand-finished carbon tube, fitted on a carbon fiber nylon frame. Boasting a modular design that's been tried and tested over the past 2 years.  Featuring Printed in PA6-CF Lightweight, durable carbon fiber nylon Reinforced Receiver Pin Hole CNC Aluminum Tracer Threads (for non-integrated) Stainless Steel Hardware Threaded inserts paired with stainless steel hardware for longevity Integrated Tracer Option (128mm & 155mm Lengths) Drop an Acetech Brighter C/R Tracer into the front of the upper after removing the tracer housing Secured with a magnetic insert Included Hopup O-rings Replaces the original spring and ensures an air-tight nozzle seal Pair with an Alvinski Customs HPA Gearbox for perfect nozzle alignment.