Welcome to GATE Electronics, the World of the newest technology in AIRSOFT. GATE provides you with the most innovative AEG mosfets.
Gate has spent more than ten years designing and manufacturing the most cutting-edge MOSFETs, electronic trigger units, and airsoft pistol accessories. You may convert an AEG replica into a sophisticated training weapon system with the help of GATE technology.
In stock
A GATE mosfet supplied as the ASTER V3 SE Expert, order code AST3S-EM. Aimed at airsoft technicians and players already specifying ASTER components for a build who want the exact variant identified by its code.
In stock
This standalone GATE mosfet module belongs to the TITAN family and is listed by the code TTN3-EM. It is aimed at players already familiar with TITAN electronics who need the Expert Module variant for a current build.
In stock
Air line for the PULSAR S from GATE, listed at 6mm and identified by the AH6 reference. A practical spare to hold if you are building or maintaining an HPA setup around this system.
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Replacement O-rings for the solenoid valve in the GATE PULSAR, sold as a pack of four under part code PS-SVO. A practical spare for anyone servicing their own PULSAR unit at home.
![Gate - QD fitting [Engine side, 6 mm, US Standard] (QDF-US)](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-QD-fitting-Engine-side-6-mm-US-Standard-QDF-US-400x266.jpg)
In stock
An engine-side quick-disconnect fitting from GATE in 6 mm, made to the US Standard specification. A component for those building, servicing or reconfiguring an HPA setup who need to match an existing connector.
![Gate - PULSAR S NOZZLE 23.80-24.00 mm [SR25] (N-PS-2380)](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-PULSAR-S-NOZZLE-23.80-24.00-mm-SR25-N-PS-2380-400x267.jpg)
In stock
A GATE replacement nozzle listed for SR25 rifles, quoted at 23.80–24.00 mm. It is aimed at players servicing or building an HPA-powered SR25 who need to confirm the nozzle dimension matches their setup.
![Gate - PULSAR S NOZZLE 19.40-19.60 mm [AK47] (N-PS-1940)](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-PULSAR-S-NOZZLE-19.40-19.60-mm-AK47-N-PS-1940-400x267.jpg)
In stock
A GATE nozzle for the PULSAR S HPA engine, sized 19.40–19.60 mm and intended for AK47 builds. Suits players assembling or maintaining an HPA-powered AK47 who need this particular fitment.
![Gate - PULSAR S HPA Engine Body [spare part] (PS-RP)](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-PULSAR-S-HPA-Engine-Body-spare-part-PS-RP-400x266.jpg)
In stock
A replacement body section for the GATE PULSAR S HPA engine, sold as an individual spare under reference PS-RP. It suits existing PULSAR S owners who are repairing or servicing their engine themselves.
![Gate - PULSAR H Nozzle 24.00 mm [SR25] (N-PH-2450)](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-PULSAR-H-Nozzle-24.00-mm-SR25-N-PH-2450-400x266.jpg)
In stock
This 24.00 mm nozzle is produced by GATE for the PULSAR H HPA engine and carries the SR25 designation. It is a spare part for players servicing an SR25-based HPA build (N-PH-2450).
![Gate - PULSAR H Nozzle 21.40 mm [M4/M16] (N-PH-2140)](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-PULSAR-H-Nozzle-21.40-mm-M4M16-N-PH-2140-400x266.jpg)
In stock
A 21.40 mm nozzle from GATE for the PULSAR H system, intended for M4/M16 platforms and identified by N-PH-2140. It is aimed at those running a PULSAR H HPA setup who need this nozzle size.
![Gate - PULSAR H Nozzle 21.15 mm [M4/M16] (N-PH-2115)](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-PULSAR-H-Nozzle-21.15-mm-M4M16-N-PH-2115-400x266.jpg)
In stock
A 21.15 mm nozzle from GATE for the PULSAR H HPA setup, intended for M4/M16 builds. It suits players and technicians who need this specific size for maintenance or assembly.
![Gate - PULSAR D HPA Engine [ETU not included] (HPA-PD)](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-PULSAR-D-HPA-Engine-ETU-not-included-HPA-PD-400x266.jpg)
In stock
The PULSAR D air engine from GATE is offered here without its electronic trigger unit, so trigger control is chosen separately. Suited to players who already run GATE electronics and want to supply the ETU themselves.
In stock
A mosfet module from the GATE ASTER range, supplied in the V3 SE Basic Module variant. Aimed at players planning an AEG electronics build who want to match a specific ASTER part number.
![Gate ASTER V2 SE Basic Module [Rear Wired]](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-ASTER-V2-SE-Basic-Module-Rear-Wired-400x267.png)
In stock
This rear-wired ASTER V2 SE module from GATE is offered on its own as the basic version. It suits anyone wiring up a V2 build who wants the mosfet in place as part of the electrical work.
In stock
The GATE fitting kit intended for TITAN V2 units going into an NGRS platform. Suited to airsoft technicians planning an NGRS build who want the manufacturer’s own parts for the job.
In stock
The WARFET Power Module from GATE is a MOSFET for an AEG’s wiring. It is aimed at technicians and hobbyists doing electrical work, repairs or a fresh build.
In stock
A control-electronics component from GATE’s TITAN family, supplied as the Expert Blu-Set version of the V3 model. Suits players building or updating an airsoft rifle who want this specific GATE package.
![Gate TITAN V2 NGRS Advanced Set [Front Wired]](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-TITAN-V2-NGRS-Advanced-Set-Front-Wired-400x300.jpg)
In stock
A front-wired MOSFET control set from GATE, made for NGRS-pattern AEGs and offered here in the Advanced Set version. Aimed at players building up an NGRS rifle who need the wiring to run forwards.
![Gate TITAN V2 NGRS Expert Blu-Set [Front Wired]](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-TITAN-V2-NGRS-Expert-Blu-Set-Front-Wired-400x300.jpg)
In stock
This front-wired MOSFET from GATE sits in the TITAN V2 NGRS range and is supplied in Expert Blu-Set form. It suits players building or upgrading an AEG who need a control unit matched to the NGRS layout.
![Gate TITAN V2 Basic Module [Front Wired]](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-TITAN-V2-Basic-Module-Front-Wired-400x300.jpg)
In stock
A front-wired MOSFET unit for version 2 gearboxes, supplied as the Basic Module in the GATE TITAN line. Aimed at technicians assembling or refreshing a front-wired AEG who want this unit as part of the build.
![Gate TITAN V2 Advanced Set [Front Wired]](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-TITAN-V2-Advanced-Set-Front-Wired-400x300.jpg)
In stock
A front-wired electronic control set for airsoft electric guns, the GATE TITAN V2 Advanced is supplied as a set. It is intended for players and technicians comfortable working inside a gearbox.
![Gate TITAN V2 Expert Blu-Set [Front Wired]](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-TITAN-V2-Expert-Blu-Set-Front-Wired-400x300.jpg)
In stock
Front-wired GATE TITAN V2 Expert Blu-Set, a MOSFET component for airsoft builds that need the wiring routed to the front. Suited to technicians and players specifying this exact TITAN variant.
![Gate TITAN V2 Expert Blu-Set [Rear Wired]](https://www.defconairsoft.co.uk/wp-content/uploads/2026/11/Gate-TITAN-V2-Expert-Blu-Set-Rear-Wired-400x300.jpg)
In stock
A rear wired mosfet unit from GATE for version 2 gearbox builds, sold in the Blu-Set configuration. A straightforward choice for technicians assembling an AEG who want the electronics settled before the build goes together.
In stock
The Titan V2 NGRS Advanced Set Rear Wired is an advanced AEG control system designed for Tokyo Marui V2 Next Generation Recoil Shock gearboxes. This innovative system transforms your standard AEG into a sophisticated training tool, providing exceptional capabilities.
Out of stock
The GATE PTX HPA Pistol Dark Olive/Black
delivers compact SMG-level performance in a pistol-sized package. PULSAR S2 engine → integrated VSR hop-up chamber → exceptional shot consistency, whilst the ASTER II Bluetooth® FCU provides advanced tuning and rapid trigger response.
ASTER II FCU → electronic fire control → precise customisation, therefore players gain greater control and reliability during CQB and competitive airsoft games. Consequently, this HPA airsoft pistol offers fast handling, consistent accuracy and up to 50 RPS performance.
Out of stock
The GATE PTX HPA Pistol Dark Earth/Black delivers compact SMG-level performance in a pistol-sized package. PULSAR S2 engine → integrated VSR hop-up chamber → exceptional shot consistency, whilst the ASTER II Bluetooth® FCU provides advanced tuning and rapid trigger response.
ASTER II FCU → electronic fire control → precise customisation, therefore players gain greater control and reliability during CQB and competitive airsoft games. Consequently, this HPA airsoft pistol offers fast handling, consistent accuracy and up to 50 RPS performance.
Out of stock
The GATE PTX HPA Pistol Violet/Black delivers compact SMG-level performance in a pistol-sized package. PULSAR S2 engine → integrated VSR hop-up chamber → exceptional shot consistency, whilst the ASTER II Bluetooth® FCU provides advanced tuning and rapid trigger response.
ASTER II FCU → electronic fire control → precise customisation, therefore players gain greater control and reliability during CQB and competitive airsoft games. Consequently, this HPA airsoft pistol offers fast handling, consistent accuracy and up to 50 RPS performance.
Out of stock
The Gate EON Hop-Up Chamber features precise CNC machining, ensuring outstanding accuracy and consistency in performance.
![Gate TITAN II Bluetooth® for V2 Gearbox Expert [AEG Rear Wired]](https://www.defconairsoft.co.uk/wp-content/uploads/2024/02/titan-ii-rw-400x400.jpg.webp)
Out of stock
The Gate TITAN II Bluetooth for V2 Gearbox Expert provides precise control for AEG users. This Electronic Trigger Unit features advanced Bluetooth 5.2 technology, allowing seamless access to settings and telemetry through compatible devices.
![Gate TITAN V2 NGRS Basic Module [Rear Wired]](https://www.defconairsoft.co.uk/wp-content/uploads/2023/04/TTN4-PREMIERE-MODULE-OPEN_181108-1958-400x400.jpg.webp)
Out of stock
The Gate TITAN V2 NGRS Basic Module offers a simplified option for users desiring the capabilities of the TITAN system across multiple airsoft guns. This module features BASIC firmware, designed for those who seek quality without complex functions. Users can upgrade to advanced firmware if needed.
![Gate ASTER V2 Basic Module [rear wired]](https://www.defconairsoft.co.uk/wp-content/uploads/2023/04/ASTER_03_1-400x400.jpg.webp)
Out of stock
The Gate ASTER V2 Basic Module (rear wired) offers a streamlined solution for those seeking a high-quality AEG control system. This module features the BASIC firmware edition, designed for users who value simplicity without sacrificing performance. The kit includes the ASTER Module, an ASTER Patch, a ‘Programming via Trigger’ Card, an Installation Kit, and a Quick Start Guide.
![Gate TITAN V2 NGRS Expert Blu-Set [Rear Wired]](https://www.defconairsoft.co.uk/wp-content/uploads/2023/03/511409-16-800X600-400x400.jpg.webp)
Out of stock
The Gate TITAN V2 NGRS Expert Blu-Set Rear Wired offers advanced functionality for airsoft replicas. This product includes the TITAN with EXPERT firmware, enabling extensive settings and configuration options tailored for demanding missions. Users can connect to Android and iOS devices through the Blu-Link, allowing remote management via the GATE Control Station App.
Out of stock
The Gate TITAN V2 Expert Blu-Set is an advanced control system designed for V2 gearboxes. This device transforms your airsoft gun into a powerful training tool. It includes the advanced firmware edition, allowing access to numerous functions tailored for users who prefer sophisticated setups.
Out of stock
The Aster V2 Basic Module Rear Wired delivers advanced functionality for airsoft enthusiasts. This product includes the Aster Module featuring the BASIC firmware edition, compatible with both rear and front wired configurations. The kit encompasses an Aster Patch, a ‘Programming via Trigger’ card, an installation kit, and a quickstart guide for seamless setup.
Out of stock
The GATE – Titan V2 Basic Module Rear Wired significantly improves the functionality of airsoft guns. This drop-in module offers various features such as adjustable trigger sensitivity, fire selector modes, and low battery warnings. Users can customise the trigger sensitivity using either the Tactical Programming Card or the GATE Control Station App.
Out of stock
The GATE Titan V2 Advanced Set Rear Wired offers various features to enhance the performance of airsoft guns. This innovative system allows users to adjust trigger sensitivity with five sensors, ensuring precise control without disassembly.
