Guns Modify Tokyo Marui MWS M4 GBB Enhanced Piston Head

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