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This 130% enhanced recoil spring is made of Piano Steel wire.
This enhanced spring ensures:
increase the recoil speed;
improves the smoothness of loading BB;
Improves air-tightness between loading nozzle and hop-up bucking.
| SKU | WII-4138 |
|---|---|
| Manufacturer / Brand | WII TECH |
| Color | Black |
| Major Built Material | Piano steel wire |
| Size | N/A |
| Disclaimer | Upgrading airsoft guns require necessary skill & technique, manual modification is necessary, consult expertise if needed. |
