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Home : Upgrades, Add-On Modifications, Scopes : Internal Electric Gun (AEG) Upgrades


Any Internal Upgrades will void ALL APPLICABLE WARRANTIES. No exceptions

ICS M120 Spring
Upgrades speed of Electric Guns to 375 -400 fps.
NO OTHER UPGRADES REQUIRED!
SKU: AC-UPIN-ER-ICS-SPRINGM120
ICS M140 Spring
Upgrades speed of Electric Guns to 425 - 450 fps.
Requires additional upgrades: Aluminium Piston! may also cause damage to gear box
Out of Stock!
SKU: AC-UPIN-ER-ICS-SPRINGM140
Classic Army 170 % Advanced Power Spring
Upgrades speed of Electric Guns to 375 -400 fps.
NO OTHER UPGRADES REQUIRED!
SKU: AC-UPIN-ER-CA170SPRING
Classic Army 210% Advanced Power Spring
Upgrades speed of Electric Guns to OVER 400 fps.
Requires additional upgrades: Aluminium Piston, High Torque Motor, Full Tune Up Kit, etc.
May cause damage to gear box
SKU: AC-UPIN-ER-CA210SPRING
Classic Army 300% Advanced Power Spring
Upgrades speed of Electric Guns to OVER 500 fps.
Requires additional upgrades: Aluminium Piston, High Torque Motor, Full Tune Up Kit, etc.
Will cause damage to gear box
SKU: AC-UPIN-ER-CA300SPRING
Systema M120 Spring
Upgrades speed of Electric Guns to 375 -400 fps.
NO OTHER UPGRADES REQUIRED!
Any Internal upgrades will void warranty
SKU: AC-UPIN-ER-SYSTEMA-M120
Systema M130 Spring
  SKU: AC-UPIN-ER-SYSTEMA-M130
Systema M140 Spring
  SKU: AC-UPIN-ER-SYSTEMA-M140
AEG Steel Bushings
Compatible with all AEG's
SKU: AC-UPIN-ER-MTLBUSHINGS-GGE-0501
AEG Steel Ball Bearings
Steel Ball Bearing for all AEG
SKU: AC-UPIN-ER-MTLBEARINGS-PO53
Systema Polycarbonate Piston
For upgrade springs higher than M120
Fits Any MP5 and M4/M16's
SKU: AC-UPIN-ER-SYSTEMA-POLYCARBPISTON
Deep Fire Nylon Fiber Piston
- Made of nylon and fiber
- The first teeth is made of metal which is covered by a layer of titanium
- For Tokyo Marui AEG series
- Suitable for high power springs
SKU: AC-UPIN-ER-DEEPFIRE-PISTON
Deep Fire Titanium Full Teeth Piston
- Made of nylon and fiber
- The piston body is made of nylon & fiber and the teeth is made of metal which is covered by a layer of titanium
- For Tokyo Marui AEG series
- Suitable for high power springs
SKU: AC-UPIN-ER-DEEPFIRE-TITANIUM-FULL-PISTON
Systema Die Cast Teflon Coated Aluminum Piston for AEG
Fits Any AEG (Marui, ICS, Classic Army, etc.)
SKU: AC-UPIN-ER-SYSTEMA-ALUMPISTON-ZS-A01
Deep Fire Titanium Half Teeth Piston
- Made of nylon and fiber
- The piston body is made of nylon & fiber and the teeth is made of metal which is covered by a layer of titanium
- For Tokyo Marui AEG series
- Suitable for high power springs
SKU: AC-UPIN-ER-DEEPFIRE-TITANIUM-HALF-PISTON
Area 1000 Systema Aluminum Piston Head w/bearing
Systema aluminum piston head w/bearing
Tigther seal : Quicker Compression & Decompression
Fits Any AEG (Marui, ICS, Classic Army, etc.)
SKU: AC-UPIN-ER-SYSTEMA-PISTONHEAD-GE-04-01
Systema Aluminum Silent Piston Head and Cylinder Head
Systema Aluminum Piston Head and Cylinder Head for AEG's
Better compression, quicker decompression, quieter striking volume, spring bearing
Fits Any AEG (Marui, ICS, Classic Army, etc.)
SKU: AC-UPIN-ER-SYSTEMA-SILENTPISTON-MC-55
Systema Four Slot Opening Cylinder
Improved cylinder for smoother compression. 4 Port Slotted cylinder for quicker decompression.
Fits on both ICS and Tokyo Marui.
SKU: AC-UPIN-ER-SYSTEMA-4SLOTCYLINDER-MC-57
ICS/Classic Army Bevel Gear
Harden Aluminum, heat treated, enhanced durability. Can pull M130 spring. First gear, which connect to motor.
Fits on both ICS and Tokyo Marui.
SKU: AC-UPIN-ER-BEVELGEAR-MC-07
ICS/Classic Army Spur Gear
Harden Aluminum, heat treated, enhanced durability. Can pull M130 spring. Second gear between bevel and sector gear.
Fits on both ICS and Tokyo Marui.
SKU: AC-UPIN-ER-SPURGEAR-MC-08
ICS/Classic Army Sector Gear
Harden Aluminum, heat treated, enhanced durability. Can pull M130 spring. Last gear, which connect to piston.
Fits on both ICS and Tokyo Marui.
SKU: AC-UPIN-ER-SECTORGEAR-MC-09
ICS Metal Bearing Spring Guide Version 2
Bearing Spring Guide for quicker and more efficient spring compression. Fits on both ICS and Tokyo Marui
SKU: AC-UPIN-ER-ICS-MC-43
Area 1000 Systema Tappet Plate v.2 mechbox
Systema Version 2 Mechbox Tappet Plate
For all MP5's and M4
SKU: AC-UPIN-ER-SYSTEMA-TAPPETPLATE
Systema Long Motor Super Torque Up Type
Perfect for MP5's and M4's
AS POWERFUL AS IT GETS!
SKU: AC-UPIN-ER-SYSTEMA-HITORQUEMOTOR
Systema Full Tune Up Kit (FTK-99) for MP5
The ULTIMATE FULL UPGRADE KIT!
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, M120 Spring
SKU: AC-UPIN-ER-SYSTEMA-MP5-FTK