Systema Switch Device MOSFET Wiring Set for M4 / MP5 / G3 AEGs (ZS-07-19)

The Systema Switch Device (ZS-07-19) is an integrated MOSFET wiring upgrade designed to improve the electrical efficiency and reliability of Airsoft Electric Guns (AEGs). The unit combines a dedicated electronic switching circuit with silver-coated wiring to handle higher electrical loads while protecting the mechanical trigger contacts inside the gearbox. By routing current through the MOSFET rather than the trigger contacts, the system reduces electrical wear and improves trigger response. It is intended for installation in common AEG platforms such as M4, M16, MP5, and G3 rifles.

Electronic Switching Circuit: The internal MOSFET circuit redirects electrical current away from the mechanical trigger contacts and sends it directly from the battery to the motor. This reduces electrical resistance and prevents the contact arcing that can occur in higher-power AEG builds.

Improved Electrical Efficiency: By shortening the electrical path and reducing resistance through the trigger assembly, the system helps deliver more consistent power to the motor. This can result in improved trigger response and more reliable cycling, particularly when using stronger springs.

Silver-Coated Wiring: The included wiring harness uses silver-coated conductors designed to support higher current loads. Improved conductivity helps maintain stable power delivery during rapid firing and higher draw conditions.

Designed for High-Power Builds: The Systema Switch Device is intended for AEGs running upgraded internal components or stronger springs that place additional load on the electrical system. The MOSFET circuit helps protect the trigger assembly under these conditions.

Internal Installation: This device installs as part of the rifle’s internal wiring system and requires gearbox disassembly. Because installation involves internal electrical work, the manufacturer recommends installation by an experienced technician.

Why Choose This MOSFET Upgrade?

• Protects trigger contacts from electrical arcing
• Improves trigger response through MOSFET switching
• Supports higher electrical loads in upgraded AEG builds
• Silver-coated wiring improves electrical conductivity
• Suitable for M4, MP5, and G3 platform rifles
• Helps maintain reliability with stronger springs

Specifications

Device Type: Inline MOSFET wiring harness
Platform Compatibility: M4 / M16 / MP5 / G3 AEG rifles
Electrical Function: MOSFET switching and trigger contact protection
Wiring Material: Silver-coated wiring
Installation Type: Internal wiring device
Installation Requirements: Gearbox disassembly required
Recommended Use: High power spring AEG builds
Package Includes: MOSFET switch device and wiring harness