Systema MP5 Airsoft Gear Mech Box M120

$239.99
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Availability: In Stock

Product Code:AC-UPI-SMP-12X

Manufacturer:Systema Airsoft

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Description

Systema MP5 Airsoft Gear Mech Box M120

Details

Systema Complete Mecha-Box for MP5 Series (A4, A5, SD5, SD6)
- 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

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