APS SDU 2.0 ECU with Wire for Rear Position (for NSBR AEG Series)

APS SDU 2.0 ECU with Wire for Rear Position (for NSBR AEG Series) Are you looking to upgrade your eSilver Edge Gear Box with a replacement Electronic Control Unit (ECU)? Look no further than our high-quality ECU, designed specifically for use with Rear Wires eSilver Edge Gear SDU2.0 Box. Crafted with precision and attention to detail, this ECU is engineered to provide reliable and efficient performance, ensuring that your rifle operates at peak levels of performance.