DESCRIPTION

Modify Aluminum Bore-Up Piston Head with thrust bearing.

For Ver.2/ Ver.3/ Ver.6/ Ver.7

Made of aircraft aluminum alloy. Exactingly made with a revolutionary design to be more effective and 100% airtight. It's for Modify/ Systema series Bore-Up Cylinder.

The Bored-up Airsoft Piston Head is compatible with larger cylinders to achieve higher displaced air volume, with a rubber bumper to reduce sound and impact.