AirsoftPro Stainless Steel Trigger Spring 4 series

The AirsoftPro Stainless Steel M4 Series Gearbox Trigger Return Spring is a precision replacement internal component designed for Version 2 M4/M16 AEG gearboxes. It plays an essential role in returning the trigger to its neutral position after each shot, ensuring smooth, consistent trigger response and reliable firing operation.

Manufactured from high-quality stainless steel, this spring offers excellent durability, corrosion resistance, and long-lasting tension stability compared to standard factory springs. It helps maintain crisp trigger reset performance, reducing the risk of sluggish or inconsistent trigger movement during use.

Ideal for repairs, maintenance, or gearbox rebuilds, this small but important component is compatible with most Tokyo Marui-spec M4 AEG platforms and is a simple drop-in replacement for worn or damaged trigger return springs.

Key Features:
• Designed for M4/M16 Version 2 AEG gearboxes
• Stainless steel construction for strength and durability
• Ensures reliable trigger reset and smooth operation
• Corrosion resistant for long-term performance
• Improves trigger consistency and responsiveness
• Suitable for repairs, maintenance, and upgrades
• Direct replacement fitment for compatible gearboxes
• Lightweight and precision-engineered design