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Deep Fire Reinforced 6mm Mech Box Shell Ver 2
Built with solid metal composite to withstand higher spring tensions and outlast any standard gearbox. Perfect for upgraded gear boxes with higher spring tensions or for gear box replacements. |
Deep Fire Reinforced 7mm Mech Box Ver 3
Built with solid metal composite to withstand higher spring tensions and outlast any standard gearbox. Perfect for upgraded gear boxes with higher spring tensions or for gear box replacements. | |
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Great M120 Full Tune Up Kit / Upgrade Kit for for your AK! AEG Gear Box
Includes : Nozzle (AC-DF-CPN01P), Cylinder Head (AC-UPI-DF-CPC03), Cylinder (AC-UPI-DF-CPC14), Piston Head (AC-UPI-DF-CPP14A), Piston (AC-UPI-DF-CPP19), Spring Guide Rod (AC-UPI-DF-CPO06), Bushings (AC-UPI-DF-CPO16), Tappet Plate (AC-UPI-DF-CPO31) M120 Spring
- Special! Free Shipping!
For Basic |
Great Enlarged M120 Full Tune Up Kit / Upgrade Kit for for your M4! AEG Gear Box
Enlarged Kit for Extra Air Volume
Includes : Nozzle (AC-DF-CPN16P), Cylinder Head (AC-UPI-DF-CPC07), Cylinder (AC-UPI-DF-CPC17), Piston Head (AC-UPI-DF-CPP18A), Piston (AC-UPI-DF-CPP19), Spring Guide Rod (AC-UPI-DF-CPS01), Bushings (AC-UPI-DF-CPO16), Tappet Plate (AC-UPI-DF-CPO33) M120 Spring
- Special! Free Shipping!
For Basic | |
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Great M120 Full Tune Up Kit / Upgrade Kit for for your AK! AEG Gear Box
Includes : Nozzle (AC-DF-CPN01P), Cylinder Head (AC-UPI-DF-CPC03), Cylinder (AC-UPI-DF-CPC14), Piston Head (AC-UPI-DF-CPP14A), Piston (AC-UPI-DF-CPP19), Spring Guide Rod (AC-UPI-DF-CPO06), Bushings (AC-UPI-DF-CPO16), Tappet Plate (AC-UPI-DF-CPO31) M120 Spring
- Special! Free Shipping!
For Basic |
The ULTIMATE FULL UPGRADE KIT for your M4! Ver 2 AEG Gear Box
Includes (Top to bottom): Hexical Gear Set, Selector Plate, Bore Up Cylinder, Silent Piston Head, Silent Cylinder Head, Cylinder Nozzle, Polycarbonate Piston, Ball Bearings, Shims, Anti-reversal Latch, Cut Off Lever, Bearing Spring Guide Rod, M130 Spring
- Special! Free Shipping!
For Basic Airsoft Gear ... | |
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The ULTIMATE FULL UPGRADE KIT for your MP5! Ver 2 AEG Gear Box
Includes (Top to bottom): Hexical Gear Set, Selector Plate, Bore Up Cylinder, Silent Piston Head, Silent Cylinder Head, Cylinder Nozzle, Polycarbonate Piston, Ball Bearings, Shims, Anti-reversal Latch, Cut Off Lever, Bearing Spring Guide Rod, M120 Spring
- Special! Free Shipping!
For Basic Airsoft Gear Box ... |
The ULTIMATE FULL UPGRADE KIT - Professional Full Tuneup Kit for AK47 / AK74 Ver 3 AEG Gear Box
Includes (Top to bottom): Hexical Gear Se, Bore Up Cylinder, Silent Piston Head, Silent Cylinder Head, Cylinder Nozzle, Polycarbonate Piston, Metal Bushings, Shims, Anti-reversal Latch, Cut Off Lever, Bearing Spring Guide Rod, M150 Spring
- Special! Free Shipping!
For Basic | |
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The GREAT FULL UPGRADE KIT - Expert Full Tuneup Kit for AK47 AK74 V3 AEG Gear Box
Includes: Hexical Gear Se, Bore Up Cylinder, Silent Piston Head, Silent Cylinder Head, Cylinder Nozzle, Polycarbonate Piston, Metal Bushings, Shims, Anti-reversal Latch, Cut Off Lever, Bearing Spring Guide Rod, M130 Spring
- Special! Free Shipping!
For Basic Airsoft Gear Box ... |
ICS M4 Upgraded Upper Gear Box with M120 Spring
Includes: Upper Gear Box, M120 Spring, Metal Bearing Spring Guide Rod, Tappet Plate, Piston, Piston Head, Ported Cylinder, Cylinder Head, and Feed Nozzle.
Compatible with ICS M4 or M16
Upgrades FPS to 400 | |
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Compatible w/ ICS or Tokyo Marui MP5
Upgraded Gear Box Set includes: Reinforced Gear Box, M120 Spring, Metal Bushings, Metal Bering Spring Guide Rod, Aluminium Piston, & Gear Set |
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 ... | |
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Systema Complete Mecha-Box for M16-A2 / M15 / SR16
- Complete Drop In Gear Box for Full Stock Rear Battery M16 / M15 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
- Not Compatible with ICS or Olympic Arms ... |
Systema Complete Mecha-Box for M16-A2 / M15 / SR16
- Complete Drop In Gear Box for Full Stock Rear Battery M16 / M15 with M150 Upgrade Spring for 470 - 500 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 All Helical Super Torque Up Gear Set with Bore Up Cylinder Set
- Highest Option ... | |
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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 |
Systema Complete Mecha-Box for MP5 Series (A4, A5, SD5, SD6)
- Complete Drop In Gear Box for Full Stock Rear Battery MP5 with M150 Upgrade Spring for 470 - 500 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 All Helical Super Torque Up Gear Set with Bore Up Cylinder Set
- Highest ... | |
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