CYMA Complete Gearbox w/

Price: $113.42 — In stock at 1 retailer.

Manufacturer: CYMA SKU: CYMA-CM21A Complete electronic gearbox upgrade kit for CM103 AK Alfa On-board electronic trigger ( Electronic Circuit Unit ECU ) Aluminum cylinder, cylinder head, full steel gear piston 8mm bushing Low resistance wire High speed motor Suitable for CYMA CM103 AK Alfa AEG