Specna Link™ by Specna Arms® vs Backdraft Control

Specna Link™ - Take complete control of your replica with the HAL^2™ electronics from Specna Arms® and gain an edge in airsoft competition.

 HAL^2™ - The advanced electronic trigger assembly, based on a Hall effect sensor, optical sensors, and built-in Bluetooth connectivity, allows you to control the parameters of your electric airsoft replica. 

The Specna Link™ app will let you easily and quickly set parameters and display information such as: 
- setting the trigger sensitivity, 
- changing the fire selector modes: SEMI, AUTO, BURST, BINARY, 
- setting the series length in AUTO mode and BURST mode, 
- control of the amount of ammunition in the magazine, 
- control of the battery status. 

Protect your replica from damage - The application allows you to quickly check possible problems with your airsoft replica so you can easily locate and solve failures related to jamming or damage to the gearbox mechanism. 

Built-in Bluetooth® - Easy Bluetooth® connection to your replica without the need to purchase additional components allows you to manage the parameters of any of your airsoft replicas with HAL^2™ electronics and quickly switch between configurations.
 Free HAL^2™ app and firmware updates - No need to pay extra for new and additional features of the Specna Link™ app and HAL^2™ electronics. No features behind a paywall are hidden without buying additional components needed to make the replica fully functional.

 Enjoy unique bonuses - offers from Specna Arms® brand partners, exclusive promotions, events, and rewards. Join the Specna Arms® Official community on Facebook to meet other Specna Arms® product users and get support. 

The app works only with Specna Arms® brand HAL^2™ electronic trigger unit, it does not support third-party electronics.

Full Description Backdraft Control gives you complete command over your Catalyst Wireless FCU — the next generation of electronic airsoft replica control systems. Fine-tune every aspect of your setup in seconds through a modern, intuitive interface designed for speed, clarity, and reliability. Adjust dwell, delay, fire modes, and dozens of advanced parameters to match your replica’s exact performance profile. Save and load presets, monitor system behavior, and update firmware — all from your phone — without opening a single panel or touching a wire. Built for airsoft enthusiasts who demand precision and customization, Backdraft Control delivers professional-grade configurability at an affordable price. Whether you’re a competitive player or a field technician, you can now tune, optimize, and update your Catalyst FCU effortlessly — anytime, anywhere.