JeffTron

28/08/2026

Scylla HPA - V2 is now available at Evike.com!
buy here: https://www.evike.com/products/133416/

Scylla HPA - V2 replaces the original control unit with advanced sensors and is compatible with:
• PolarStar F2
• PolarStar F1
• PolarStar JACK
• Wolverine Airsoft Inferno Gen 2
• Other 5V electropneumatic HPA systems (single and dual solenoid), both closed bolt and open bolt.

⚡ Optical selector sensor make installation easier with maximum durability.

🎯 The magnetic trigger adapter allows fast and precise trigger sensitivity adjustment directly in the app — no complicated tuning needed.

📱 With integrated wireless communication, you can configure everything easily via the mobile app (iOS & Android), available in English and 14 other languages.

Scylla gives you everything you expect from a modern HPA unit:
✔ Solenoid settings
✔ Binary trigger
✔ Burst fire
✔ Trigger sensitivity
✔ Rate of fire control
✔ Shooting statistics
✔ Profile saving (CQB / DMR / different Joule setups)

⚙️ Full customization:
• Save and instantly switch between profiles (CQB, DMR, different Joule setups)
• Set individual fire modes for both SEMI and AUTO selector positions
• Configure different solenoid values for SEMI and AUTO — perfect for lowering muzzle velocity in close-range combat
• Transfer your original shot counter from the original system
• Activate Technical Lock to prevent unauthorized use or accidental setting changes

🔧 Easy gearbox installation — fully integrated inside the gearbox, replacing the original contacts.
🔄 Free online updates with new features and improvements.
🔋 Ultra-low power consumption — only 1.5 mA.

💥 Everything your HPA build needs — in one compact and powerful solution.

26/08/2026

We added to eshop an adapter between Scylla HPA - V2 and single solenoid HPA from Polarstar and other compatible systems.

Paramethers:
- Connector: 2x ZHR-02
- Cable lenght: 10 cm (4 inches)
- Wires: 24AWG (0,23mm2) with PTFE insulation
- Price: 7,02 EUR

14/07/2026

Enjoy first review of new HPA Scylla - V2 by BitchinBlasters
https://www.youtube.com/watch?v=IdKfuwCc444

Unboxing and installing the FIRST Jefftron Scylla HPA FCU inside a gel blaster in Australia! If you are running a Polarstar F2 engine and want to ditch the bulky, old-school wire-tethered Polarstar FCU for a flawless Bluetooth app interface, this drop-in wireless unit is a game changer.

In this video, I walk you through the incredibly straightforward V2 gearbox installation, dive into the ultra-smooth user interface of the Jefftron app, and wrap things up on the chronograph. I’ve put together a complete spreadsheet breakdown the shot-to-shot FPS consistency and variation between the stock Polarstar FCU and the new Jefftron Scylla.

🔥 JEFFTRON SCYLLA HPA FEATURES SHOWN:

Bluetooth wireless connection (No more pulling out your FCU to adjust settings)

Optical and magnetic sensor tuning via app

Custom solenoid settings (Poppet dwell, nozzle dwell, open/closed bolt tuning)

Compleatly independent settings for each selector position, allowing for full customisation

Real-time response changes & live shooting stats

Order ourselves now @
https://www.jefftron.net/hpa/scylla-hpa-v2

Unboxing and installing the FIRST Jefftron Scylla HPA FCU inside a ...

10/07/2026

Připravil jsem kompletní představení nově vydané jednotky Scylla HPA od českého výrobce Jefftron, kde se podíváme na její instalaci, konstrukční řešení a možnosti nastavení pomocí mobilní aplikace.

V článku najdete popis jednotlivých částí jednotky, zapojení, kalibrace i ukázku hlavních funkcí aplikace.

Celý článek naleznete na našem webu - odkaz v komentáři

15/06/2026

🎉 GIVEAWAY – Win the New Scylla HPA V2 FCU!

How to enter:
✅ Follow .cz
✅ Like this post
✅ Tag a friend in the comments who absolutely needs this HPA Scylla

🏆 The winner will be announced on June 30, 2026.

30/05/2026

Introducing Scylla HPA V2. Pre-orders are now open: https://www.jefftron.net/hpa/scylla-hpa-v2

Video review:
https://www.instagram.com/reel/DY98AzsBJve/?igsh=MTVsZTY1OWZydmF4dQ==

Scylla HPA - V2 replaces the original control unit with advanced sensors and is compatible with:
• PolarStar F2
• PolarStar F1
• PolarStar JACK
• Wolverine Airsoft Inferno Gen 2
• Other 5V electropneumatic HPA systems (single and dual solenoid), both closed bolt and open bolt.

⚡ Optical selector sensor make installation easier with maximum durability.

🎯 The magnetic trigger adapter allows fast and precise trigger sensitivity adjustment directly in the app — no complicated tuning needed.

📱 With integrated wireless communication, you can configure everything easily via the mobile app (iOS & Android), available in English and 14 other languages.

Scylla gives you everything you expect from a modern HPA unit:
✔ Solenoid settings
✔ Binary trigger
✔ Burst fire
✔ Trigger sensitivity
✔ Rate of fire control
✔ Shooting statistics
✔ Profile saving (CQB / DMR / different Joule setups)

⚙️ Full customization:
• Save and instantly switch between profiles (CQB, DMR, different Joule setups)
• Set individual fire modes for both SEMI and AUTO selector positions
• Configure different solenoid values for SEMI and AUTO — perfect for lowering muzzle velocity in close-range combat
• Transfer your original shot counter from the original system
• Activate Technical Lock to prevent unauthorized use or accidental setting changes

🔧 Easy gearbox installation — fully integrated inside the gearbox, replacing the original contacts.
🔄 Free online updates with new features and improvements.
🔋 Ultra-low power consumption — only 1.5 mA.

💥 Everything your HPA build needs — in one compact and powerful solution.