The Guns Modify Enhanced Piston Head (Model GM0336) is a drop-in upgrade for Tokyo Marui M4/M16 MWS GBB rifles. Made from a specialized, high-strength rubber, it creates a better seal in the bolt assembly to improve gas efficiency, and ensure reliable operation in low temperatures. This results in a smoother, more responsive shooting experience with increased durability.

Key Features

• Rubber Constriction Airsoft Piston Head
• Design For Upgrade the Original Parts More Durable
• Engineered to maintain flexibility and sealing properties in low-temperature environments.
• Suitable For Tokyo Marui M4/M16 MWS Gas Blow Back GBBR Rifles