MOSFETs, ETUs & Switches

If you want to unlock more functionality from your Gate ASTER or TITAN MOSFET, the USB Link from Gate is exactly what you're after! This dongle attaches to your AEGs Deans battery connector and allows you to connect it via micro-USB or USB Type C to your Android device, Windows PC or Mac and control diagnostics, trigger sensitivity, burst modes, rate of fire adjustment and all the other fantastic features built into the ASTER and TITAN ETUs. Unlock the full potential of your Gate TITAN or ASTER and give yourself the edge in battle!

The Gate TITAN™ / ASTER™  Blu-Link allows for wireless management and connectivity to your Airsoft Gun. By connecting the Blu-Link in series to your TITAN™ and/or ASTER™, you will be able to control all aspects of your favourite MOSFET remotely from your Android or iOS device; with support eventually coming for Windows and macOS. This device can be left plugged into your Gun, and there is no need to remove it for skirmish, allowing you to make changes and program settings on the go.

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 MOSFET is a great choice 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 plan to upgrade your M4/AR-15, SMG-5 or G3 AEG with a high-end MOSFET filled to the brim with programmable features, the Perun MOSFET V2 Hybrid, Rear Wired is what you want! This optical MOSFET/ETU system replaces your conventional trigger contacts with optical sensors, improving trigger response and reliability while adding an absolute litany of programmable fire mode 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 V2 Hybrid 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 V2 Hybrid 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 love to be at the cutting edge of Airsoft technology, the GATE TITAN™ II Bluetooth® MOSFET V2; Expert Firmware [AEG Rear Wired] belongs in your next build! This is the next generation of the superb GATE TITAN™, boasting innumerable improvements over the original, the most notable of which is its direct Bluetooth 5.2 compatibility. This means you no longer need the Gate Bluelink or USB link to customise your settings; simply download the Gate Control Station app and you can access the TITAN™ II's most advanced settings via the included Expert Firmware!

Like the original TITAN™, the TITAN™ II allows you to 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.

The TITAN™ II also adds more trigger sensitivity options than the previous version, reduced power draw, several new and improved sensors and the ability to adjust pre-cocking by percentage increments, meaning more options than ever before. If you want your primary to be at the very peak of Airsoft technology, the TITAN ™ II Bluetooth® MOSFET V2; Expert Firmware [AEG Rear Wired] belongs inside!

If you want to turn your version 2 gearbox-equipped AEG into a true space gun, the Delta Armory EAGLE™ Programmable MOSFET Control Unit is one of the most affordable ways to do it. The EAGLE™ is compatible with any Airsoft AEG which uses a version 2 gearbox and improves trigger response and rate of fire through its gains in electrical efficiency, amongst its many other benefits!

The EAGLE™ offers more programmable options than many of its rivals in the cheap MOSFET game. These include 3 or 5-round burst mode, binary trigger, sniper delay, AUG mode, semi-auto only, 5 levels of trigger sensitivity adjustment and adjustable pre-cocking, with 6 levels to choose from. Active braking can also be turned on or off and all programmable options can be set using the trigger and fire selector of your AEG, avoiding the additional expense of needing an app or PC connectivity to take advantage of the wealth of programmable options available. 

Naturally, the EAGLE™ will require a certain amount of skill and expertise to install so if this is your first time, we recommend consulting an experienced technician. Compatibility-wise, the EAGLE™ is designed for M4/AR-15 version 2 gearboxes specifically and should be compatible with most V2 gearbox shells on the market, though we have not yet confirmed whether it will work with G3 and SMG-5 platforms. If you're looking for an affordable way to add fancy features to your M4/AR-15 AEG, the EAGLE™ Programmable MOSFET Control Unit from Delta Armory is exactly that!

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 want to turn your M4, SMG-5, G3 or other V2 gearbox-equipped platform into an advanced space gun, the Double Eagle FALCON 2.0 Programmable MOSFET for V2 Gearbox should do the trick! This is the same FALCON EFCS system installed in Double Eagle's superb M90x range, including the UTR45, UTR556 and AX//15 rifles. Once installed, the FALCON offers a wide range of programmable fire mode options along with adjustable trigger sensitivity and the usual improvements in rate of fire and trigger response a MOSFET provides. 

Available fire modes include 1-5 round burst, binary trigger (fire on trigger pull and on release), and 3 levels of trigger sensitivity, from a super short hair trigger to a more realistic full trigger pull. The FALCON will also warn you of any electrical anomalies by vibrating your motor 3 times and cutting off power to protect itself and will also cut power if your battery is running too low, indicating with 5 motor vibrations. The only thing the FALCON doesn't do is shoot the AEG for you!

If you are experiencing issues with semi-automatic as your AEG gets older, the likelihood is your switch assembly/trigger contacts have become corroded and need replacing. Fortunately KRYTAC are here to provide a complete pre-wired switch assembly, complete with their in-line MOSFET which provides protection to the circuitry and prevents the AEG from firing if the battery voltage drops too low. The assembly comprises of the trigger contacts, MOSFET, automotive fuse, male Deans connector, and spade connectors, all wired together and ready to go once installed.

The NanoAAB MOSFET from Gate Electronics is one of the smallest "plug 'n' play" MOSFETs with Active Braking on the market today.

If you're done with AEGs and want to revamp your build for HPA, the GATE PULSAR D Dual Solenoid HPA Engine is a fantastic option. Designed for Version 2 AEG gearboxes, the PULSAR D is designed to work with a GATE TITAN™ II V2 ETU (HPA Version), giving you unlimited advanced programming options along with the bob on consistency, top-tier accuracy, killer rate of fire and wealth of tuning opportunities HPA builds are known to provide.

The set includes the complete engine but will require a V2 gearbox shell, V2 trigger and TITAN™ II ETU HPA Version to complete the build. When compared to the original and more affordable PULSAR S, the PULSAR D offers a higher FPS range, universal compatibility with AEG nozzles, less precision required in the assembly of the build and impressively high air efficiency, using only 0.7 PSI per shot on average at 90 PSI with a 0.8L air tank.

The PULSAR D also has the edge in accuracy and versatility over the simpler single solenoid PULSAR S, being suitable for any build objective, from CQB monster to DMR dominator. As with all internal upgrades, we only recommend this engine to those who are confident working on AEG and HPA internals, but if you're ready for the PULSAR D, you're sure to be impressed!

If you've had a cut-off lever failure or you're the techy type who keeps parts on hand just in case, the CYMA Cut Off Lever for V2 Gearbox is ideal. This is a replacement original part constructed from alloy, compatible with most version 2 gearboxes on the market.

Take your shooting to the next level with the Perun MOSFET ETU++ for G&G G2 ETU AEG, which gives you access to many advanced features such as burst fire, binary trigger, system diagnostics and many more!

The unit is designed to replace your G&G G2 ETU and provide a whole bunch of extra functions, with more options than even the original G2 boasts. Far easier to install compared with alternatives, the Perun ETU++ replaces the stock G&G G2 electronics board with no need to open the gearbox, however, the installation will still require a certain level of knowledge and experience.

If you've had a cut-off lever failure or you like to keep parts on hand just in case the worst happens, the G&G Armament Cut Off Lever For V2 Gearbox is perfect. This is a replacement original part constructed from alloy, compatible with most version 2 gearboxes on the market.

The cut-off lever is a piece that sits between your trigger and sector gear and serves to interrupt or disconnect the trigger once your gearbox has made a complete cycle, very useful!

A 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 and is specially coated to the Military Specification (Mil-Spec) MIL-V-173C. 

Generation 3 Micro Computer Programmable Controller Chip Set designed to add a huge variety of functionality to Airsoft AEG.

A complete unit to fit into any Airsoft AEG no matter what version gearbox you own. Included is everything from MOSFET to wiring, connectors and programming card.

If you're running a P90 and want to spice it up a notch, the Perun Optical MOSFET/ETU for P90 AEG is what you need to take your P90 to the next level. This advanced MOSFET/ETU uses optical sensors to speed up your P90 and provide programmable functions, including burst mode, binary trigger, adjustable active braking, adjustable pre-cocking, trigger sensitivity adjustment and compatibility with dual sector gear setups.

Make no mistake, this MOSFET rivals the incredible Gate TITAN and ASTER series in the functions and performance it provides. Unlike the Gate 'fets, the Perun is designed specifically for TM P90-based AEGs, meaning no compatibility worries and a relatively easy installation process. If you want your P90 to shoot like an upgraded M4 platform, this is how you do it!

If you are looking for an easy way to make your Airsoft platform exclusively a DMR or CQB beast, this is worth checking out! The Delta Armory Programmable ETU Processor Unit for V2 Gearbox; Semi Only replaces your conventional trigger assembly and offers semi-automatic fire only with adjustable pre-cocking, 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 are having trigger trouble with your Specna Arms AR36 AEG, the solution is here! This unit is a replacement original part for the SA-G series of AR36 AEG rifles and will require disassembly of the gearbox to install, and soldering, as such it is only recommended for experienced techs and advanced users.

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! 

If you plan to upgrade your AK AEG and want a tasty new advanced MOSFET, you need this! The Perun Mosfet V3 Hybrid system replaces your conventional trigger contacts with optical sensors, 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 V3 Hybrid 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 V3 Hybrid 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!

A programming button designed to give you a bit more control of your GATE MOSFET, which is also compatible with other brands.

If you are having trigger issues with your ARCTURUS M4/AR15 AEG this replacement original part set should cure it! The ARCTURUS Microswitch V2 for ARCTURUS AEG 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.

Fixed up your faulty platform and get it back on the battlefield in no time!

If you're running an AEG equipped with a microswitch V2 gearbox and need a faster trigger, the Cybergun JeffTron Switch Brake MOSFET with Wiring is what you need! This Active Braking MOSFET is designed to replace the original microswitch trigger system and comes pre-wired with high-quality AWG16 and AWG24 wiring. As with any internal upgrade, we suggest consulting a tech before attempting installation if this is your first time!

This MOSFET is designed to prevent the piston from stopping in a random position when you take your finger off the trigger when shooting full auto and ensures only a single cycle is completed in semi-auto. Rate of fire and trigger response should also improve thanks to electrical efficiency advantages when compared to standard microswitches. This MOSFET is only designed for microswitch trigger-equipped V2 gearboxes and isn't likely to work with standard V2 or other gearbox types.

A complete Switch Assembly for a variety of AEGs, which includes Low Resistance Wiring with either a Mini Tamiya or Deans Connector on the end.

If you need a replacement for your G&G MOSFET or want the latest version with its more compact design, the G&G Armament ETU/MOSFET for G2 Gearbox; Rear Wired is ideal. This set is pre-wired for relatively easy installation and is the latest G&G MOSFET 4.0 with its more compact form, saving you space in your battery compartment.

Installing this set gives your AEG the option of programming 3-round burst instead of full auto, great for those who keep running out of ammo due to a heavy trigger finger! Other features include low-voltage cutoff and cycle completion, ensuring both your gearbox and battery are kept healthy in the long term. Worth noting is that this set will require 11.1V LiPos to be used and if you're installing this in a non-G&G G2 AEG you will need to carry out modifications to ensure your setup does not pre-engage (AOE correction at the least).

If you're the techy type running a Gate TITAN II and want more realism, this part is the key! The GATE Bolt Catch Button with Cable for TITAN II will bring the usual dummy bolt catch on any TITAN II equipped AEG to life, providing PTW-like functionality and realism!

Naturally, this part will require considerable modification to your receiver, bolt catch and gearbox shell, so make sure you either know what you're doing or consult a professional tech before ordering. This set includes the internal Bolt Catch button and the cable to connect it to your TITAN II, but doesn't include the external bolt catch itself.

Take your Vector to the next level with the Perun MOSFET For Krytac Kriss Vector, which gives you access to many advanced features such as programmable firing modes such as burst fire, active brake, binary trigger, system diagnostics and many more!

This MOSFET will maximise your Vectors' functionality, although be aware we only recommend this item for experienced technicians only.

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!