Systema MP5 Airsoft Gear Mech Box M120
Availability: In Stock
- Complete Drop In Gear Box for Full Stock Rear Battery MP5 with M120 Upgrade Spring for 370 - 400 FPS
- All internal parts completed upgraded with Systema Parts (gears, bearings, tappet late, cylinder, bearing spring guide rod, selector plate, low resistance wires)
- Completely Reinforced Heavy Duty Alloy Gear Box
- Includes Torque Up Gear Set with Teflon Cylinder
|PreOrder Lead Time in Weeks||N/A|
|Battery & Charger Included||N/A|
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