JM Gen11 Gen12 AK Gearbox

Power up your JinMing AK47 (J11) or ak74u gel blaster (J12) with this factory-original gearbox featuring complete nylon construction and ready-to-install convenience. Designed as a direct replacement, this complete unit comes with motor installed and 1.1mm spring for reliable out-of-the-box performance.

Key Features:

🔫 Dual AK Compatibility - Perfect fit for both J11 & J12 models
⚡ Complete Powered Unit - Includes motor and factory spring
🛡️ Full Nylon Construction - Durable shell and gears for long service life
🔌 SM Plug Ready - Standard connector for easy installation

Technical Specifications:

• Brand: JinMing (OEM Factory Part)
• Material: High-strength nylon throughout
• Spring: 1.1mm stock configuration
• Color: Tactical black
• Connector: Standard SM plug

Package Includes:

📦 1x Complete JinMing AK Gearbox (Motor & Spring Installed)

Why This Gearbox?
✔ 100% authentic JinMing replacement
✔ Eliminates gearbox troubleshooting
✔ Maintains factory reliability
✔ Ideal base for future upgrades