Complete Gear Boxes Rear Wire

Product Specifications:

• Reinforced EFCS Metal gearbox shell
• Ares High-Quality Spring
• Reinforced full teeth piston
• Upgrade blue EFCS circuit board
• Delayer

EFCS Features:

• Precise magnetic sensors control piston position
• Reduce stresses on spring, spring last longer and more stable muzzle velocity
• Require less battery power to initiate motor
• Onboard ABS enhances piston positioning
• Braking power always cut off after completed cycle to save battery
• The electronic trigger for instant trigger response
• Quick Spring release function
  

Compatibility:

• Long spring guide: AM-007 to AM-012. 
• Shot spring guide: AM-001 to AM-006, AM-013 & AM-014.{: