SHS - Upgrade Spring M120 (380~410fps) - TH1014SHS-TH1014
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.
- Material: Piano wire
- Gross weight: 20g
- Color: Silver
- Qty: 1pc M120