Action Army VSR-10 Zero Trigger System + Piston
Reinforced, steel Zero Trigger set with Aluminum piston for VSR-10 series and similar replicas, compatible with Marui standard. Manufactured by Action Army company from Taiwan.
Gives the best sensitive trigger action with using high power upgrade spring.
The set includes:
- Reinforced, steel trigger, trigger sear and stopper sear
- Reinforced, lightweight aircraft aluminum piston
- Screws for mounting
NOTE: Piston has a reduced internal diameter and only dedicated Action Army springs will fit.