Greater cylinder capacity than standard cylinder for more air volume.
External size is same as standard parts and will fit standard gearbox.
Material: S303 Stainless Steel/Brass/Polycarbonate/Acetal
Stainless Bore-Up Cylinder Head
- Bore-Up Air Seal Nozzle
- Bore-Up Ventilation Piston Head
- Bore-Up Chromium Plating Cylinder
NOTE: M120 spring or greater required
Will work with MP5K and PDW