New redesigned trigger for M4 airsoft replicas. This new trigger is manufactured from aircraft dural EN AW 7075, what have strenght of steel and weight of aluminum, it is best for high performance parts.Trigger is milled on CNC milling machine and has protective anodizing of 5µm various colors (0,005 mm). This trigger is designed from Tokyo Marui standard, what means that you can use it without any need of customization, or customization of trigger switch in every Aluminum and CNC gearboxes ver. II.