BCA Service HPA Engine Installation (Wolverine / Polarstar / Redline) 200-300 Full metal construction for a

Full metal construction for a sleek sniper look on our gun

Can accept small

or both to make everything play nice

Military Dark Brown Finish look very realistic

6mm Plastic Bullet Only

BCA Service HPA Engine Installation (Wolverine / Polarstar / Redline) 200-300 Full metal construction for aConverting 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