8pcs Upgrade Metal Gear Kit For JM Gen8 9 M4A1/Nwell M4 Replacement Accessories

8pcs Upgrade metal gear kt fit for JinMing Gen8 9 M4A1/Nwell M4 water gel ball blasting toys.

Material: Metal
Compatible model: JinMing Gen8 Gen9 M4a1/Nwell M4
Age range: 14+

- Strong and wear resistant.
- Update your old or damaged parts.
- Stable characteristics, reliability.
- Compatible with JinMing Gen8 Gen9 M4a1/Nwell M4.

Package Included:
3 x Main Gears
1 x Motor Gear
1 x Allen Key
3 x Fittings

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