Upgrade Kit for GK1 Air Pistol - V3+ | V3R+
Upgrade Kit for GK1 Air Pistol - V3+ | V3R+
Take your GK1 to the latest Huben standard. This kit will put your GK1 at the same level as the GK1 V3+. These improvements translate into more durability and enhanced reliability.
Note: Each production batch may vary slightly due to production improvement. When using this upgrade kit, all components in the kit must be replaced together — not only the valve. Mixing old and new versions may cause sealing issues or performance inconsistencies.
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