Description
G&G Armament - Electronic Trigger Unit 2.0 & MOSFET 4.0 with Vertical Trigger for V2 Gearbox (Rear Wired)
So, is upgrading your trigger system actually worth it, or just another tech rabbit hole? If you’ve ever felt sluggish trigger response or inconsistent semi-auto performance in your airsoft rifle, this is where the G&G ETU 2.0 and MOSFET 4.0 setup comes into its own. Designed specifically for Version 2 gearboxes, this upgrade replaces old-school mechanical trigger contacts with a modern electronic system that delivers faster response, improved efficiency, and better long-term reliability.
Instead of relying on physical contacts that wear down over time, the ETU reads your trigger input electronically and sends power through the MOSFET with precision. The result? Sharper, more immediate trigger response—especially noticeable when you’re running semi-auto in CQB or fast-paced skirmishes. Pair that with programmable fire modes including semi, 3-round burst, 5-round burst, and full auto, and you’ve got flexibility to match your play style or site rules without needing extra upgrades.
The included vertical flat trigger is a standout feature, offering a shorter pull and faster reset compared to traditional curved triggers. It’s a popular choice for players who favour rapid, controlled shots and consistent finger placement. On top of that, the built-in low voltage cutoff helps protect your LiPo batteries from over-discharge—something every airsoft player running 7.4V or 11.1V setups will appreciate.
Rear wired for stock-based battery setups, this unit is ideal for M4-style airsoft rifles and other V2 gearbox platforms. Whether you’re building a high-performance AEG or just want a noticeable upgrade in responsiveness, this kit delivers a solid step up without overcomplicating your setup.
It won’t improve your aim—but it will make every trigger pull feel faster, cleaner, and more consistent.
Highlights
- ETU 2.0 and MOSFET 4.0 system for V2 airsoft gearboxes
- Programmable firing modes: semi, 3-round burst, 5-round burst, full auto
- Vertical flat trigger for faster response and shorter pull
- Rear wired configuration for stock battery setups
- Improved electrical efficiency and power delivery
- Protects trigger contacts from wear and arcing
- Low voltage cutoff to protect LiPo batteries
- Ideal upgrade for M4 and other V2 AEG platforms
What's Included
- ETU 2.0 Electronic Trigger Unit
- MOSFET 4.0 Control Unit
- Vertical Flat Trigger Assembly
- V2 Selector Plate
- Rear Wired Battery Harness and Motor Wiring
- Heat Shrink for Installation
- Installation Leaflet
Technical Specifications
- Brand: G&G Armament
- System: ETU 2.0 with MOSFET 4.0
- Gearbox Compatibility: Version 2
- Wiring: Rear Wired
- Trigger Type: Vertical / Flat-Faced
- Fire Modes: Semi, 3-Round Burst, 5-Round Burst, Full Auto
- Battery Compatibility: 7.4V – 11.1V LiPo
- Application: Airsoft AEG upgrade
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Delivery Information
Affordable Shipping – Starting from Just £2.50
Our delivery prices begin at only £2.50 for UK mainland orders, with free standard delivery available on all orders over £100*. To quickly find out the exact shipping cost for your items, simply add everything to your basket. In the basket, you'll see a link under the subtotal titled "Estimate Shipping & Tax"—click this, enter your delivery details, and you’ll get a full quote including whether you qualify for free shipping.
Free Shipping Offers
- UK Mainland: Free on orders over £100*
- Northern Ireland, Republic of Ireland, Scottish Highlands & Islands, and Isle of Man: Free on orders over £100*
- Channel Islands: Unfortunately, we do not offer free shipping to this region
*Free shipping is a 5 working day service. For example, an order placed on Monday would typically arrive the following Monday.
Mainland UK Delivery Options
- Royal Mail: From £2.50 (2 working days, price based on weight)
- Economy Delivery: £4.95 flat rate (2–4 working days)
- Express Delivery: £6.95 flat rate (1–2 working days)
Working days exclude Saturdays, Sundays, and public holidays. Need your order on a Saturday? We can arrange this for £20—please contact us directly after placing your order to pay the balance.
Delivery Prices – Outside Mainland UK
- Northern Ireland: From £5.95
- Scottish Highlands & Islands: From £5.95
- Isle of Man: From £5.95
- Republic of Ireland: £6.95 flat rate (any size order)
- Channel Islands: £7.95 flat rate (any size order)
We strive to keep our delivery charges as fair and straightforward as possible, with clear options to suit all needs and budgets.
