BCA Service HPA Engine Installation (Wolverine / Polarstar / Redline) 200-300 Ensure you're not left out

Ensure you're not left out on the battlefield stranded with no ammo

Base: LED-Q5

Once the pin is pulled

Powerful blowback: The launch and the slide is vigorously recession at the same time

Military Dark Brown Finish look very realistic

BCA Service HPA Engine Installation (Wolverine / Polarstar / Redline) 200-300 Ensure you're not left outConverting your AEG to HPA has many advantages, from easy power adjustment to precise airflow adjustments and often (but not always) on the fly system changes without having to crack open your gearbox. If converting your AEG into your dream HPA setup is daunting, and you want to know that its done right, BBA will do the install and tuning for you. Services we offer: Installation and shimming of engine in gearbox Printing and installation of HPA