G&G ARP556 3.0 AEG PK239 The Hopup Chamber EVO unit

The Hopup Chamber EVO unit is built with a Precision Aluminum Rotary Dial Knob for fine hopup adjustments and equipped with 4mm Flat Soft Bucking Nub (6mm Bucking Nub is optional) to perform best with R-Hop and Standard-Hop to keep the BB shooting accurately and consistently on every single shot

168mm Inner Barrel

Its power-operated system takes in BB bullet by pushing the switch at the magazine bottom

Length: 209

G&G ARP556 3.0 AEG PK239 The Hopup Chamber EVO unitManufacturer: G&G Model: G&G ARP 556 3. 0 Airsoft Gun Black SKU: EGC 556 V03 BNB NCM Color: Black Rail: M lok Metal Rail Receiver: Polymer Metal gearbox Heat treated gear set Package Includes: 1x G&G ARP 556 3. 0 Airsoft Gun Black 1x 68R ARP MidCap Magazine Battery & Charge NOT included Battery and charger sold separately.