Airsoft Pro 9mm VSR M120 spring (400 FPS)
Upgraded M120 spring for VSR rifles with a 9mm spring guide. Install this into your rifle to increase the feet per second up to 400.
- Upgrades your VSR sniper up to 500 FPS
- Fits on any 9mm upgraded spring guide
- Rigorously tried and tested by the manufacturer
- Thick gauge coils
Ideal for upgrading your VSR sniper rifle to shoot at most site limits in the UK. We do recommend upgrading the trigger unit, piston and spring guide before installing such a powerful spring
When picking an upgrade trigger set, there are plenty to choose including brands like Airsoft Pro, PSS and Action Army. Make sure you pick the correct hardness hop rubber and weight BB for your set up