Full Recoil System for PTW HK416 - Black (B)

HAO's latest design : "Charging handle recoil system" is now ready to ship, 
In this package you will receive the fully "recoil" PTW charging handle in set ;

• Charging Handle (AR15/HK416)
• Gastube  (Gastube/Direct Gastube)
  
  

Here're the combination: 

• HAO's Charging handle recoil Full system for PTW M4(A)-BLACK
• HAO's Charging handle recoil Full system for PTW HK416(B)-BLACK
• HAO's Charging handle recoil Full system for PTW M4(C)-DDC
• HAO's Charging handle recoil Full system for PTW HK416(D)-DDC