AIP sear spring for Marui Hi-capa Series

- Replace original stock sear spring with this lighter one
- Suitable for Tokyo Marui Hi-Capa 5.1 Series Airsoft Gas Blow Black GBB Pistol
- Supreme Quality & Lightweight Achieved
-Make every trigger pull faster & lighter, especially design for IPSC player
-NOTE: As always, upgrading GBB require necessary skill & technique, consult expertise if needed