Complete Gearbox for H&K Umarex Elite Force UMP Series Airsoft AEG

Complete Gearbox for H&K Umarex Elite Force UMP Series Airsoft AEG Features Factory direct OEM replacement complete gearbox Reinforced aluminum gearbox shell, cylinder, and piston set Heavy duty steel gears Metal spring guide and bearings Standard torque motor included Factory direct OEM replacement gearboxes are great to have as a backup or a complete replacement for your existing AEG. These gearboxes come factory spec and are able to be tuned and upgraded for enhanced performance.Recommended for experienced users, tuning is required prior to use. Professional installation recommended.Material: Steel, Aluminum    Airsoft guns Airsoft gear Airsoft accessories Airsoft rifles Airsoft pistols Airsoft equipment Airsoft supplies Best airsoft guns Airsoft store skirmish Airsoft Event Bucking Hopup vest Tracer BB Hi Capa Airsoft field Airsoft event Airsoft Retailer Safety Airsoft beginners community airsoft tactics    Discover Simple Airsoft's collection for top-quality guns, gear,