Type: Rocket 19 tooth piston

Umarex / BCM Air and other VFC spec Gear boxes

Brushless DC motors have no brushes to get worn out

*This product comes with an orange outer barrel out of the box – replacement black barrel featured in the product image sold separately

and Mil-Std 1913 rails via aluminum side clamp and bolt

MECHBOX PRO CNC Aluminum Cylinder Head PDI Type: Rocket 19 tooth pistonFeatures: Precision CNC Aluminum Construction Double O Ring for better air seal and reduced compression loss Polished stem for smooth cycling with nozzle while maintaining best air seal Built In rubber bumper for shock absorption from piston piston head Squared stem angle to ensure best air seal with air nozzle Compatibility: Most Gen 2 AEG Gearboxes Material: 6061T6 Aluminum Alloy