MOSFETs, ETUs & Switches

If you plan to upgrade your AUG AEG and want a tasty new advanced MOSFET, you need this! The Perun AUG Mosfet system replaces your conventional trigger contacts with magnetic sensors coupled with a magnet installed directly on the trigger, improving trigger response and reliability while adding an absolute litany of programmable fire modes and MOSFET functions.

Fire mode options include burst modes of varying duration, reconfigurable fire selector positions, semi-automatic only, DMR/sniper delay, binary trigger and two-stage trigger. The AUG Mosfet also offers adjustable trigger sensitivity, adjustable active braking, pre-cocking with spring release and DSG mode, a specific mode for Dual Sector Gear setups. Make no mistake, the AUG Mosfet is every bit as advanced as its rivals, with the added benefit that all of the programming can be carried out using the fire controls of your AEG, with no need for PC or app connectivity!

If you're running an SMG-5, M4/AR-15 or any other AEG which uses a version 2 gearbox, the GATE ASTER™ MOSFET will take your AEG to the next level. This advanced electronic trigger unit replaces your conventional trigger contacts with optical sensors, allowing for 250 different trigger sensitivity settings, burst and binary fire modes and a plethora of other functions to be programmed in using either the trigger and fire selector or the Gate Control Station App.

This set also includes the Gate QUANTUM CNC trigger which is compatible with M4/AR-15 AEGs but unfortunately won't work with SMG-5 or G3 platforms. When installed, the Quantum trigger offers 250 trigger sensitivity options via the ASTER's optical sensors. Constructed from CNC-machined aluminium, the Quantum both looks great and allows the ASTER™ to take full advantage of its optical trigger sensors.

This is the MOSFET we use in our Bolster Tuned platforms due to its fantastic balance of cost-effectiveness and performance, offering incredible efficiency improvements even before you get into the programmable features and customisation options. As with all ETU/MOSFET systems, a certain amount of expertise will be required to install the ASTER™ so if you're not confident, we suggest seeking a technician to carry out the installation process for you. If you're ready to take your AEG's performance to the next level, you're ready for the ASTER™

If you're looking for a way to enhance your AK, AR36, AUG or SMG-5K AEG, the GATE ASTER™ SE V3 MOSFET; Expert Firmware is a fantastic option for a reasonable price! This advanced electronic trigger unit replaces your conventional trigger contacts with optical sensors, allowing for 250 different trigger sensitivity settings, burst and binary fire modes and a plethora of other functions to be programmed in using either the trigger and fire selector or the Gate Control Station App.

This is the MOSFET we use in our Bolster Tuned platforms due to its fantastic balance of cost-effectiveness and performance, offering incredible efficiency improvements even before you get into the programmable features and customisation options. As with all ETU/MOSFET systems, a certain amount of expertise will be required to install the ASTER™ so if you're not confident, we suggest seeking a technician to carry out the installation process for you. This, the V3 model, is intended for version 3 AEG gearboxes found in AK, AR36, AUG and SMG-5K AEGs. If you're ready to take your AEG's performance to the next level, you're ready for the ASTER™!

If you want to transform your version 2 gearbox-equipped AEG into a true "smart gun", the Gate TITAN™ MOSFET V2; Expert Firmware will do exactly that. This advanced MOSFET/ETU system replaces the copper trigger contact inside the version 2 gearbox with optical sensors, eliminating the need for a cut-off lever, extending the lifespan of your AEG and offering unprecedented trigger sensitivity, fire mode and cycle control adjustment options.

The latest version of the TITAN™ V2 includes the Expert Firmware, meaning you have immediate access to the most advanced programming functions of the TITAN™ without needing to pay more to update the firmware. With the Gate USB-Link or Blulink, you can set your pre-cocking level for a speedy trigger response, adjust your trigger sensitivity, tune active braking and adjust the rate of fire for a truly custom setup that suits your playstyle perfectly. The usual programmable MOSFET functions of other ETUs are also present, including burst mode, binary trigger, semi-auto-only, ramping semi-auto, dual-stage trigger and sniper delay.

If you have an AEG mega-build on your mind using a version 2 gearbox, add the Gate TITAN™ MOSFET V2; Expert Firmware to your parts list to take it to the next level!

If you are looking for an affordable way to add advanced functionality to your M4/AR-15 AEG, this is worth a look! The Delta Armory Programmable ETU Processor Unit for V2 Gearbox replaces your conventional trigger assembly and offers burst mode, binary trigger and pre-cocking, all of which can be programmed in using the fire controls of the AEG itself. 

This ETU should fit most M4/AR-15s which use a version 2 gearbox, but we only recommend this part for experienced techs and those in the know when it comes to Airsoft internal upgrades. The ETU is also pre-wired to a Deans/T-Plug battery connector in rear wired configuration and spade connectors for your motor, so you shouldn't need your soldering iron!

If you're running an AEG with a version 3 gearbox, the Gate TITAN™ MOSFET V3; Expert Firmware is what you need to turn your primary into a space gun! This advanced MOSFET/ETU system is the latest version of the original TITAN™, designed for version 3 gearboxes found in AK, AR36, AUG and SMG-5K AEGs, boasting a drop-in fit with the vast majority of V3 shells on the market. That said, the TITAN™ still requires knowledge of AEG internals, care and patience to install; as such, we only recommend this upgrade for those with a decent level of technical knowledge and confidence working on AEGs.

The latest version of the TITAN™ V3 includes the Expert Firmware, meaning you have immediate access to the most advanced programming functions of the TITAN™ without needing to pay more to update the firmware. With the Gate USB-Link or Blulink, you can set your pre-cocking level for a speedy trigger response, adjust your trigger sensitivity, tune active braking and adjust the rate of fire for a truly custom setup that suits your playstyle perfectly. The usual programmable MOSFET functions of other ETUs are also present, including burst mode, binary trigger, semi-auto-only, ramping semi-auto, dual-stage trigger and sniper delay.

For those in the process of transforming their V3 gearbox-equipped AEG into an absolute beast, the Gate TITAN™ MOSFET V3; Expert Firmware is an essential addition to your shopping list. The TITAN™ extends the lifespan of your AEG by eliminating the cut-off lever and trigger contacts, along with offering unprecedented trigger sensitivity, fire mode and cycle control adjustment options. If you want your AEG to perform at the top of its game, the TITAN™ is a big part of achieving that!

If you're fed up with your NGRS gearbox locking up when you slap out some double taps, the GATE TITAN™ V2 NGRS Rear Wired; Expert Firmware will cure it! This advanced MOSFET/ETU system replaces the copper trigger contact inside the standard NGRS V2 (aka Version 9) gearbox with optical sensors, eliminating the need for a cut-off lever, extending the lifespan of your AEG and offering unprecedented trigger sensitivity, fire mode and cycle control adjustment options.

The latest version of the TITAN™ V2 NGRS includes the Expert Firmware, meaning you have immediate access to the most advanced programming functions of the TITAN™ without needing to pay more to update the firmware. With the Gate USB-Link or Blulink, you can set your pre-cocking level for a speedy trigger response, adjust your trigger sensitivity, tune active braking and adjust the rate of fire for a truly custom setup that suits your playstyle perfectly. The usual programmable MOSFET functions of other ETUs are also present, including burst mode, binary trigger, semi-auto-only, ramping semi-auto, dual-stage trigger and sniper delay.

This is the Rear Wired version of the TITAN™ V2 NGRS, making it ideal for rear-wired M4, 416 and SCAR NGRS rifles. If you want to speed up your NGRS trigger, use LiPo batteries, run burst mode and protect its internals in the long run, the GATE TITAN™ V2 NGRS Rear Wired; Expert Firmware will give you what you need!

If you're searching for an advanced MOSFET for your version 2 gearbox-equipped AEG, the Gate ASTER II Bluetooth® & Quantum 2 Trigger for V2 Gearbox; Rear-wired is ideal. A cutting edge advancement over the original Gate ASTER MOSFET, the ASTER II boasts several quality of life improvements, more customisation options than ever before and Bluetooth 5.2 connectivity built-in, allowing you to change settings wirelessly on your smartphone or mobile device.

The ASTER II electronic trigger unit replaces your conventional trigger contacts with optical sensors, allowing for 250 different trigger sensitivity settings, burst and binary fire modes and a plethora of other functions to be programmed in using either the trigger and fire selector or the Gate Control Station App. Other programmable options include adjustable pre-cocking and adjustable active braking; perfect for the techy types to set their primary up to suit practically any build objective.

This set also includes the Gate QUANTUM 2 CNC trigger which is compatible with M4/AR-15 AEGs but unfortunately won't work with SMG-5 or G3 platforms. When installed, the Quantum 2 trigger offers 250 trigger sensitivity options via the ASTER II's optical sensors and also includes a grub screw to provide over-travel adjustment. Constructed from CNC-machined aluminium, the Quantum 2 looks great and allows the ASTER™ to take full advantage of its optical trigger sensors and tune the trigger feel to suit your exact requirements.

The ASTER II is compatible with any version 2 gearbox-equipped AEG and can also be used with the Gate PULSAR Single-Solenoid HPA Engine if you add the ASTER II-specific HPA cable. If you're ready to turn your Airsoft gun into a Space Gun, the Gate ASTER II Bluetooth® & Quantum 2 Trigger for V2 Gearbox; Rear-wired is calling your name!

An ultra compact Generation 3 MOSFET built to be as compact as possible, requiring the smallest amount space possible, and is water resistant.

If you are having trigger issues with your ARCTURUS AK AEG this replacement original part set should cure it! The ARCTURUS Microswitch V3 for ARCTURUS AK series includes the microswitch itself, a Deans/T-plug battery connector and spade connectors all wired together for a relatively simple installation procedure. The set should not require soldering to install, but as always, we recommend a certain level of confidence and expertise if you plan on installing this part.

If your CYMA MOSFET has met its end, or you want a cheap and cheerful upgrade, the CYMA MOSFET for V2 Gearbox is ideal. This MOSFET is a replacement original part for the CYMA Platinum AEG series and should work with any AEG which uses a version 2 gearbox. When installed, this MOSFET should improve trigger response and rate of fire, along with eliminating the chances of your trigger contacts becoming corroded. 

The MOSFET is pre-wired with two sets of spade connectors and you can choose between rear-wired and front-wired configurations. Please note, certain gearboxes will need modification to install this MOSFET/ETU unless they already have a slot in the shell designed for an electronic trigger. We only recommend this part for experienced users! 

A drop in MOSFET Kit designed for Rear Wired Version 2 Gearbox, which are typically seen in M4 Variant Rifles. This variation of the Kit comes with the MOSFET Unit and the USB-Link. This light version of the kit does not include the tactical programming card.

A drop in MOSFET Kit designed for Rear Wired Version 2 Gearbox, which are typically seen in M4 Variant Rifles. This variation of the Kit comes with the MOSFET Unit and the USB-Link. This light version of the kit does not include the tactical programming card.

Generation 3 Micro Computer Controller Chip Set designed to add a huge variety of functionality to Airsoft AEG. The chip is built to be as compact as possible, requiring the smallest amount space possible, and is specially coated to the Military Specification (Mil-Spec) MIL-V-173C.

If you're running an SMG-5, M4/AR-15 or any other AEG which uses a version 2 gearbox, the GATE ASTER™ MOSFET will take your AEG to the next level. This advanced electronic trigger unit replaces your conventional trigger contacts with optical sensors, allowing for 250 different trigger sensitivity settings, burst and binary fire modes and a plethora of other functions to be programmed in using either the trigger and fire selector or the Gate Control Station App. 

This is the MOSFET we use in our Bolster Tuned platforms due to its fantastic balance of cost-effectiveness and performance, offering incredible efficiency improvements even before you get into the programmable features and customisation options. As with all ETU/MOSFET systems, a certain amount of expertise will be required to install the ASTER™ so if you're not confident, we suggest seeking a technician to carry out the installation process for you. If you're ready to take your AEG's performance to the next level, you're ready for the ASTER™!

If you're searching for an advanced MOSFET for your version 3 gearbox-equipped AEG, the ASTER II Bluetooth® MOSFET for Version 3 Gearbox from Gate Electronics is ideal. A cutting edge advancement over the original Gate ASTER MOSFET, the ASTER II boasts several quality of life improvements, more customisation options than ever before and Bluetooth 5.2 connectivity built-in, allowing you to change settings wirelessly on your smartphone or mobile device.

The ASTER II electronic trigger unit replaces your conventional trigger contacts with optical sensors, allowing for 250 different trigger sensitivity settings, burst and binary fire modes and a plethora of other functions to be programmed in using either the trigger and fire selector or the Gate Control Station App. Other programmable options include adjustable pre-cocking and adjustable active braking; perfect for the techy types to set their primary up to suit practically any build objective.

The ASTER II is compatible with any version 3 gearbox-equipped AEG and can also be used with the Gate PULSAR Single or Dual-Solenoid HPA Engines if you add the ASTER II-specific HPA cable for the appropriate engine type. If you're ready to turn your Airsoft gun into a Space Gun, the Gate ASTER II Bluetooth® MOSFET for Version 3 Gearbox is calling your name!

Turn your AEG into a TITAN with Gate's new flagship electric trigger unit (ETU), the TITAN II Bluetooth for Rear Wired V2 Gearbox with Basic Firmware.

Built-in Bluetooth 5.2 technology gives you direct access to the TITAN's settings on the fly, using AEG telemetry to allow you to use your smartwatch, STATUS and other future devices in the Gate ecosystem of devices.

The innovative gear sensor not only counts each tooth but also as the first in the world determines the direction of a gear's rotation, offering you the most precise of cycle controls in AEGs.

With mind-blowing optical trigger sensor, the TITAN II allows you  to set your hair trigger with ludicrous precision, with a whopping 50 sensitivity levels for the first millimetre of trigger movement.

The TITAN II is equipped with a multifunctional port ready for connecting additional accessories such as bolt-catch, magazine sensor, tracer in hop-up chamber and others.

A drop in MOSFET Kit designed for Version 3 Gearbox, which are typically seen in AK and RPK Variant Rifles.

A drop in MOSFET Kit designed for Tokyo Marui NGRS Recoil Shock Systems, such as the NGRS M4, and the NGRS SCAR. This variation of the Kit comes with the MOSFET Unit, the USB-Link, and is the Advanced version with unlocked features.