SAMOON M4 Upgrade Reinforced Hammer Spring
US$10.56
- Brand: SAMOON
- Product Code: SAMOON-HAMMER-EN-SPRING
- Availability: In Stock
SAMOON M4 Upgrade Reinforced Hammer Spring
- Material : Piano steel wire.
- Wire diameter becomes thicker.
- Increase initial velocity.
- Pulling the trigger feels more flexible and powerful.
※GHK HK416A5 Standard Version is not applicable.