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
For Basic Airsoft Gear Box Tutorial

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
For Basic Airsoft Gear Box Tutorial

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
For Basic Airsoft Gear Box Tutorial

Systema Ball Bearing Spring Guide Rod for quicker and more efficient spring compression
Compatible with most Ver Ii AEG Gear Box(Tokyo Marui, ICS, Classic Army, etc.)
For Basic Airsoft Gear Box Tutorial

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 ...

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

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 ...

Systema Professional Training Weapons M4A1 Upgrade Cylinder Unit
- Cylinder Unit Includes Magnesium Piston and M130 Spring for 420 - 445 FPS
- Swaps out with stock cylinder in seconds
- Compatible with M4A1 M4 or M16 models

Systema Professional Training Weapons M4A1 / M4 CQB MAX Upgrade Cylinder Unit
- Cylinder Unit Includes Magnesium Piston and M150 Spring for 500- 520 FPS
- Swaps out with stock cylinder in seconds
Strongest Upgrade in Airsoft!

Systema TW5 MP5 Airsoft Training Weapon M130 Upgrade Cylinder Unit - Cylinder Unit Includes Magnesium Piston and M130 Spring for 420 - 445 FPS - Swaps out with stock cylinder in seconds - Compatible with TW5 / TW5 MAX models

Systema Long Magnum Motor
NEW Version! Now Available
Perfect for MP5, M16, M4, CA33, G3, P90, M733, SR16, and other long motor AEGs
An Absolute Must for Upgraded Springs
Get More Torque and Speed for higher tension springs and faster ROF (Rate of Fire)
AS POWERFUL AS IT GETS! Even more powerful than before
- New Design - most powerful motor on market!

Systema Short Magnum Motor
NEW Version! Now Available
Perfect for AK47, G36, AK, Thompson Tommy, Stery AUG, and other short motor AEGs
An Absolute Must for Upgraded Springs
Get More Torque and Speed for higher tension springs and faster ROF (Rate of Fire)
AS POWERFUL AS IT GETS! Even more powerful than before
- New Design - most powerful motor on market!

Systema Standard Short Type Super Torque Motor
Perfect for AK47, G36, AK, Thompson Tommy, Stery AUG, and other short motor AEGs
An Absolute Must for Upgraded Springs
Get More Torque for higher tension springs
Will lower the rate of fire

Standard Systema Short Type Super Torque Motor is a must have for any upgraded AEG. Promising greater ...

Systema Tight Bore BS 509 mm Precision Barrel (20 inches)
- High Performance Barrel for M16 A1, M16 A2, Stery Aug, or any comparable Long Airsoft AEG Gun Rile
- Tight Bore High Perfomance Airsoft AEG Gun 6.04 mm Inner Barrel
- Perfect for tighter grouping, more accurate shooting
- Increases FPS for Higher Veloicty and more accurate shots

Systema Tight Bore BS 455 mm Precision Barrel (18 inches)
- High Performance Barrel for AK, AK47, AK47S, MP5 SD5, MP5 SD6, or any comparable Airsoft AEG Gun Rile
- Tight Bore High Perfomance Airsoft AEG Gun 6.04 mm Inner Barrel
- Perfect for tighter grouping, more accurate shooting
- Increases FPS for Higher Veloicty and more accurate shots

Systema Tight Bore BS 350 mm Precision Barrel (12 inches)
- High Performance Barrel for M4, M4A1, Sig 551, XM 177, or any comparable Airsoft AEG Gun Rile
- Tight Bore High Perfomance Airsoft AEG Gun 6.04 mm Inner Barrel
- Perfect for tighter grouping, more accurate shooting
- Increases FPS for Higher Veloicty and more accurate shots

Systema Tight Bore BS 247 mm Precision Barrel (9.7 inches)
- High Performance Barrel for CAR 15, P90, P90TR, G36C, Sig 552, or any comparable Airsoft AEG Gun Rile
- Tight Bore High Perfomance Airsoft AEG Gun 6.04 mm Inner Barrel
- Perfect for tighter grouping, more accurate shooting
- Increases FPS for Higher Veloicty and more accurate shots

Systema Tight Bore BS 229 mm Precision Barrel (9 inches)
- High Performance Barrel for MP5 A5, MP5 A4, G3, MC51, or any comparable Airsoft AEG Gun Rile
- Tight Bore High Perfomance Airsoft AEG Gun 6.04 mm Inner Barrel
- Perfect for tighter grouping, more accurate shooting
- Increases FPS for Higher Veloicty and more accurate shots

Upgrades speed of Airsoft Electric Guns (AEG) to 375 -400 fps.
NO OTHER UPGRADES REQUIRED!
Compatible with most AEG (Marui, ICS, Classic Army, etc.)
Any Internal upgrades will void warranty
For Basic Airsoft Gear Box Tutorial

Upgrades speed of Airsoft Electric Guns (AEG) to 400 -425 fps.
NO OTHER UPGRADES REQUIRED!
Compatible with most AEG (Marui, ICS, Classic Army, etc.)
Any Internal upgrades will void warranty
For Basic Airsoft Gear Box Tutorial

Upgrades speed of Airsoft Electric Guns (AEG) to 425 - 450 fps.
Other upgrades required i.e. Piston, Gears, Motor, Cylinder, etc...
Compatible with most AEG (Marui, ICS, Classic Army, etc.)
Any Internal upgrades will void warranty
For Basic Airsoft Gear Box Tutorial

Systema All Helical Gear Set Original Ratio
Helical Gear Set for Increased Durability, Efficiency, and Reliability
Compatible with most AEG (Marui, ICS, Classic Army, etc.)
For Basic Airsoft Gearbox Guide

Systema All Helical Gear Set Torque Up Ratio
Helical Gear Set for Increased Durability, Efficiency, and Reliability
Torque Up Gear Ratio for Higher Torque for Harder, Higher Pressure Spring
Will lower RPS or Rate of Fire
Compatible with most AEG (Marui, ICS, Classic Army, etc.)
For Basic Airsoft Gear Box Guide

Systema Aluminum Piston Head and Cylinder Head VII for AEG's
Better compression, quicker decompression, quieter striking volume, spring bearing
Compatible with most AEG (Marui, ICS, Classic Army, etc.)

Improved cylinder for smoother compression. 4 Port Slotted cylinder for quicker decompression.
Fits on both ICS and Tokyo Marui
Compatible with most AEG (Marui, ICS, Classic Army, etc.)

Systema Teflon Coated AEG Aluminum Piston
Compatible with most AEG (Tokyo Marui, ICS, Classic Army, etc.)
Strong Piston for upgraded spring & High FPS AEG of more than M120

Upgrade Polycarbonate Piston - Higher Strength and Less Friction for Upgraded AEG's with Helical Gear Set
- For upgrade springs higher than M120
Fits Any MP5 and M4/M16's
Compatible with most AEG (Marui, ICS, Classic Army, etc.)

Systema Metal Oiless Bushings for AEG
Oiless Bushing are Oiless Bushings functioning as Bearings
Compatible with Most AEG (Tokyo Marui, Classic Army, ICS, etc.)

Upgrade Polycarbonate Piston - Higher Strength and Less Friction for Upgraded AEG's
- For upgrade springs higher than M120
Fits Any MP5 and M4/M16's
Compatible with most AEG (Marui, ICS, Classic Army, etc.)

Systema Area 1000 Aluminium Cylinder Head Version 2
Compatible with most AEG's
Great upgrade with Piston Head, Piston, and Spring
Compatible with most AEG (Marui, ICS, Classic Army, etc.)

Systema aluminum piston head
Tigther seal : Quicker Compression & Decompression
Compatible with most AEG (Marui, ICS, Classic Army, etc.)

Systema Area 1000 Polycarbonate / Duracon Piston Head
Ported Cylinder Head allows for quick, efficient decompression of chamber
Composed of Polycarbnate material for effortless cyling of piston
Compatible with most AEG (Marui, ICS, Classic Army, etc.)

Systema Area 1000 Teflon Aluminium Ported Cylinder
Compatible with most AEG's, MP5 Variants
Teflon coating provides smooth, frictinoless operation
Port allows for efficient and complete decompression of chambe prior to next cycle
Compatible with most AEG (Marui, ICS, Classic Army, etc.)

Systema Version 3 III Mechbox AEG Gear Box Tappet Plate
For most MP5 and M4 Airsoft AEG
Compatible with most AEG (Tokyo Marui, ICS, Classic Army, etc.)
Reinforced Polycarbonate Tappet Plate for more durable use
- Stronger than standard plastic tappet plate

CELCIUS M4 A1 CTW Airsoft Gun AEG Rifle
Specifications:
- Velocity: 350 fps (0.2 g BB) / Range 160-180 feet
- Barrel Length: 14.5 inches / 37 cm
- Magazine Capacity: 120 Rounds
Features:
- Crane Stock
- Full Metal Body and Gearbox
- Battery and Charger sold Separately

Systema Training Weapon M16A3 M16 A3
Specifications:
- 330 fps (0.2 g BB) / Range 180-200 feet
- Barrel Length: 20 inches / 51 cm
- Magazine Capacity: 120 Rounds
Features:
- Top of the Line!
- Full Metal!
- Battery Included
- Made in Japan

Systema Training Weapon M16 A3 PTW MAX
Specifications:
- 550 fps (0.2 g BB) / Range 180-220 feet
- Barrel Length: 20 inches / 51 cm
- Magazine Capacity: 120 Rounds
Features:
- Top of the Line!
- Full Metal!
- Battery Included

Systema PTW M4 M16 120 Hi Cap Magazine
Specifications:
- Magazine Capacity: 120 Rounds
Compatibility:
- Systema and Celcius M4 and M16 Rifles Only

Systema Training Weapon M4 A1 M4A1 PTW
Specifications:
- 330 fps (0.2 g BB) / Range 160-180 feet
- Barrel Length: 14.5 inches / 37 cm
- Magazine Capacity: 120 Rounds
Features:
- Top of the Line!
- Full Metal!
- Battery Included

Systema Training Weapon M4A1 M4 PTW MAX
Specifications:
- 550 fps (0.2 g BB) / Range 160-180 feet
- Barrel Length: 14.5 inches / 37 cm
- Magazine Capacity: 120 Rounds
Features:
- Top of the Line!
- Full Metal!
- Battery Included

Systema Training Weapon PTW M4-A1 CQB-R
Specifications:
- 330 fps (0.2 g BB) / Range 160-180 feet
- Barrel Length: 12 inches / 30 cm
- Magazine Capacity: 120 Rounds
Features:
- Top of the Line!
- Full Metal!
- Battery Included

Systema Training Weapon M4 MAX CQB M150
Specifications:
- Velocity: 550 fps (0.2 g BB) / Range 160-180 feet
- Barrel Length: 12 inches / 30 cm
- Magazine Capacity: 120 Rounds
Features:
- Top of the Line!
- Full Metal!
- Battery Included

Systema Training Weapon MP5 A4 TW5A4 PTW
Specifications:
- 330 fps (0.2 g BB) / Range 160-180 feet
- Barrel Length: 9 inches / 23 cm
- Magazine Capacity: 120 Rounds
Features:
- Top of the Line!
- Full Metal!
- Battery Not Included

Systema Airsoft AEG MP5 TW5 A4 PTW MAX
Specifications:
- 550 fps (0.2 g BB) / Range 160-180 feet
- Barrel Length: 9 inches / 23 cm
- Magazine Capacity: 120 Rounds
Features:
- Top of the Line!
- Full Metal!
- Battery Not Included

Systema TW5 MP5 Airsoft Rifle Magazine
Specifications:
- Magazine Capacity: 40 Rounds
Compatibility:
- Systema MP5 Submachine Guns Only