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Airsoft Upgrades Airsoft Scopes Mods

Internal Airsoft Electric AEG Upgrades

AEG Gear Box, Mech Box, Full Tune Up Kit

Systema M4A1 M4-A1 Gear Mech Box M120

$239.95 per EACH

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Item Code: AC-UPI-S16F-12X
Airsoft Guns Styles: M4 Airsoft Rifle
Airsoft Manufacturers: Systema
In Stock: Yes
Model: Airsoft AEG M4A1 Mech Box

Systema Complete Mecha-Box for M4 / M4-A1/ M4 RIS
- Complete Drop In Gear Box for Retractable Stock Front Battery M4 / M4-A1/ M4 RIS 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)
- Includes Torque Up Gear Set with Teflon Cylinder
- Completely Reinforced Heavy Duty Alloy Gear Box
- Not Compatible with ICS or Olympic Arms M4 Series Due to 2 Piece separate Gear Box Design

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Systema Training Weapon M4 MAX CQB M150

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