SHS - Upgrade Spring M120 (380~410fps) - TH1014

Features:

Upgrade your AEG's fps to 380 ~410fps.  It is highly recommened to upgrade plastic bushing and spring guide to metal bushings and spring guide with this product.  Also, it is recommended to upgrade plastic pistons to polycarbonate piston; plastic piston heads toduracon piston heads; and standard gear to reinforced steel gears.

Specification:

• Material: Piano wire
• Gross weight: 20g
  
• Color: Silver
• Qty: 1pc M120