Rocket Aluminium Double O-Ring Piston Head For AEG (w/ Bearing)

Rocket Aluminium Double O-Ring Piston Head For AEG (w/ Bearing) A high-quality piston head for your AEG. Made of aluminium with a bearing for reduced tension and a double O-ring system to improve air seal reliability. Features Bearing Aluminium construction Vented head Double O-ring system