Spring STI / SVI 5 "large capacity w / bushing 9mm DPM

The innovative mechanical recoil system uses an approach DPM three spring s is insu external speaker ble in its adapatibilidad in form, fit and function with the other components.

ADVANTAGE
Significant recoil reduction. Better Control and higher precision. Jam removal. Better double-scoring concentration. Improves shooting speed. Quick tracking shots. Frame protection. It does not need any modification.