E&C M4 PDW E-Bolt System AEG Airsoft ( EC-645-2-EBS ) Color:Black For 20mm picatinny rail and

For 20mm picatinny rail and 25 / 30mm scope tube

SKU: CYMA-C229

QD Spring gearbox

They are specially engineered for high performance and the best biodegradability

SCUBA diving steel cylinder or PCP tanks

E&C M4 PDW E-Bolt System AEG Airsoft ( EC-645-2-EBS ) Color:Black For 20mm picatinny rail andManufacturer: E&C East Crane SKU: EC 645 2 EBS Features: E Bolt System Electric Blowback AEG, Simulated bolt carrier movement E shooter Programmable MOSFET Steel bolt carrier, Steel gear set, High torque motor Specification: Main Material : Aluminum, Metal Alloy, Polymer Magazine Capacity : 300 Rounds 6mm BB Overall Length : 540 610 mm Inner Barrel Length : mm Weight : 2680 g System : Electric Blowback, Adjustable Hop Up Gearbox : ETU MOSFET 8mm