Action Army VSR-10 S-Trigger Set

90 Specialized trigger system + Action Army VSR 10 90 Piston designed to upgrade Tokyo Marui VSR 10 and compatible bolt-action airsoft sniper rifles like the WELL MB0 series.Designed to handle the increased power and stress from upgrades. This set provides you a fully assembled drop-in trigger box with a ported metal piston to quickly bring your gun up to par after a spring upgrade. Made within tight tolerances thus producing increased strength and a quality item. Improves gun performance that you can feel.