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Newly Arrived

Airsoft Morale Imperial Logo PVC Patch

$4.99 ADD TO CART

SRU SR-X Apache Custom Pistol Slide

$279.99 ADD TO CART

Maple Leaf Hop-up Upgrade Barrel

$27.99 ADD TO CART
 

Upgrades Airsoft AEG Springs

Cylinders are the sleeve outside the piston. Cylinder Heads are in between piston heads and nozzles. Some cylinders are ported allowing for easier refill of the cylinder and prevent vacuum effects. Some cylinder heads and padded or ported and have different options for different affects. Also in this section are full cylinder sets including cylinder heads, cylinders and sometimes piston heads.

Systema M140 Airsoft AEG Upgrade Spring

Item Code: AC-UPI-ZA-06-08
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Systema Airsoft
Manufacturer Part No: ZA0608
Stock: Ships in 3 Weeks
 
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 M140 Airsoft AEG Upgrade Spring
Price:$17.99  per EACH
QTY:   Add to cart Add to Wish List
 

Systema M130 Airsoft AEG Upgrade Spring

Item Code: AC-UPI-ZA-06-05
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Systema Airsoft
Manufacturer Part No: ZA0605
Stock: Ships in 3 Weeks
 
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
Systema M130 Airsoft AEG Upgrade Spring
Price:$16.99  per EACH
QTY:   Add to cart Add to Wish List
 

Systema M120 Airsoft AEG Upgrade Spring

Item Code: AC-UPI-ZA-06-03
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Systema Airsoft
Manufacturer Part No: ZA0603
Stock: Ships in 3 Weeks
 
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
Systema M120 Airsoft AEG Upgrade Spring
Price:$14.99  per EACH
QTY:   Add to cart Add to Wish List
 

Dogmale SP145 Airsoft AEG Upgrade Spring

Item Code: AC-UPI-SP145
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Guarder G&P & Element
Stock: Yes & Ships w/in 24Hrs*
 
Dogmale SP145 Airsoft AEG Upgrade Spring
- For AEG FPS upgrade to 470 to 500fps. Equivalent to M140 Spring. Recommended for use with all upgraded and reinforced internal gearbox components.
Dogmale SP145 Airsoft AEG Upgrade Spring
Price:$6.99  per EACH
QTY:   Add to cart Add to Wish List
 

Dogmale SP130 Airsoft AEG Upgrade Spring

Item Code: AC-UPI-SP130-R
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Guarder G&P & Element
Stock: Yes & Ships w/in 24Hrs*
 
Dogmale SP130 Airsoft AEG Upgrade Spring
- For AEG FPS upgrade to 450 to 470fps. Equivalent to M130 Spring. Recommended for use with metal bushings, spring guide, reinforced piston and gears, reinforced gearbox shell.
Dogmale SP130 Airsoft AEG Upgrade Spring
Price:$6.99  per EACH
QTY:   Add to cart Add to Wish List
 

Dogmale SP120 Airsoft AEG Upgrade Spring

Item Code: AC-UPI-SP120-Y
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Guarder G&P & Element
Stock: Yes & Ships w/in 24Hrs*
 
Dogmale SP120 Airsoft AEG Upgrade Spring
- For AEG FPS upgrade to 380 to 410fps. Equivalent to M120 Spring. Recommended for use with metal bushings, spring guide, reinforced piston and gears.
Dogmale SP120 Airsoft AEG Upgrade Spring
Price:$6.99  per EACH
QTY:   Add to cart Add to Wish List
 

Dogmale SP110 Airsoft AEG Upgrade Spring

Item Code: AC-UPI-SP110-G
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Guarder G&P & Element
Stock: Ships in 8 Weeks
 
Dogmale SP110 Airsoft AEG Upgrade Spring
- For AEG FPS upgrade to 350 to 380fps. Equivalent to M110 Spring. Recommended for use with metal bushings & spring guide.
Dogmale SP110 Airsoft AEG Upgrade Spring
Price:$6.99  per EACH
QTY:   Add to cart Add to Wish List
 

Modify M90 Airsoft AEG Upgrade Spring

Item Code: AC-UPI-MOD-M90
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Modify Airsoft & Speed Triggers
Manufacturer Part No: MOD M90
Stock: Yes & Ships w/in 24Hrs*
 
Modify M90 Airsoft AEG Upgrade Spring
- Down or Upgrade Airsoft AEG's FPS to 290-300 Range
- Upgrade to Metal Bushings & Guide Rod Recommended
- Compatible with most AEG (Marui, ICS, Classic Army, etc.)
- Any Internal upgrades will void warranty
- For Basic Airsoft Gear Box Tutorial
Modify M90 Airsoft AEG Upgrade Spring
Price:$15.99  per EACH
QTY:   Add to cart Add to Wish List
 

MODIFY M80 Airsoft AEG Upgrade Spring

Item Code: AC-UPI-MOD-M80
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Modify Airsoft & Speed Triggers
Manufacturer Part No: MOD M80
Stock: Yes & Ships w/in 24Hrs*
 
Modify M80 Airsoft AEG Upgrade Spring
- Down or Upgrade Airsoft AEG's FPS to 270-280 Range
- Upgrade to Metal Bushings & Guide Rod Recommended
- Compatible with most AEG (Marui, ICS, Classic Army, etc.)
- Any Internal upgrades will void warranty
- For Basic Airsoft Gear Box Tutorial
MODIFY M80 Airsoft AEG Upgrade Spring
Price:$15.99  per EACH
QTY:   Add to cart Add to Wish List
 

*MODIFY Airsoft M100 Rifle Spring

Item Code: AC-UPI-MOD-M100
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Modify Airsoft & Speed Triggers
Manufacturer Part No: MOD M100
Stock: Ships in 1 Week
 
Modify M100 Spring
Specifications:
- M100 Grade Spring for AEG [320 - 340 FPS]
*MODIFY Airsoft M100 Rifle Spring
Price:$16.99  per EACH
QTY:   Add to cart Add to Wish List
 

*MadBull M4 Airsoft M110 Spring

Item Code: AC-UPI-MB-SP110
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Mad Bull Airsoft
Manufacturer Part No: MB SP110
Stock: Ships in 1 Week
 
MadBull Airsoft M110 Spring
Specifications:
- MadBull Airsoft M110 Spring
- MB SP110
*MadBull M4 Airsoft M110 Spring
Price:$16.00  per EACH
QTY:   Add to cart Add to Wish List
 

*MadBull M4 Airsoft M100 Spring

Item Code: AC-UPI-MB-SP100
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Mad Bull Airsoft
Manufacturer Part No: MB SP100
Stock: Ships in 1 Week
 
MadBull Airsoft M100 Spring
Specifications:
- MadBull Airsoft M100 Spring
- MB SP100
*MadBull M4 Airsoft M100 Spring
Price:$15.00  per EACH
QTY:   Add to cart Add to Wish List
 

Lonex Gearbox Tune Up Spring

Item Code: AC-UPI-LX-GB-04
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Lonex Airsoft
Manufacturer Part No: GB-04
 
Lonex Gearbox Tune Up Spring
The tune-up spring uses progressive non-linear design to stable FPS and save battery, and uses high class steel to ensure the durability.
Lonex Gearbox Tune Up Spring
Price:$14.99  per EACH
 
 

ICS M140 AEG Gear Box Upgrade Spring 38

Item Code: AC-UPI-ICS-M140
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: ICS (I Chih Shivan)
Stock: Yes & Ships w/in 24Hrs*
 
Upgrades speed of Airsoft Electric Guns (AEG) to 425 - 450 fps.\
Compatible with most AEG (Marui, ICS, Classic Army, etc.)
Any Internal upgrades will void warranty
Requires additional upgrades: Aluminium Piston! may also cause damage to gear box
For Basic Airsoft Gear Box Tutorial
ICS M140 AEG Gear Box Upgrade Spring 38
Price:$13.99  per EACH
QTY:   Add to cart Add to Wish List
 

ICS M130 AEG Gear Box Upgrade Spring 37

Item Code: AC-UPI-ICS-M130
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: ICS (I Chih Shivan)
Stock: Yes & Ships w/in 24Hrs*
 
Upgrades speed of Airsoft Electric Guns (AEG) to 375 -400 fps (120 M/S).
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
ICS M130 AEG Gear Box Upgrade Spring 37
Price:$12.99  per EACH
QTY:   Add to cart Add to Wish List
 

ICS M120 AEG Gear Box Upgrade Spring 39

Item Code: AC-UPI-ICS-M120
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: ICS (I Chih Shivan)
Stock: Yes & Ships w/in 24Hrs*
 
Upgrades speed of Airsoft Electric Guns (AEG) to 375 -400 fps (120 M/S).
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
ICS M120 AEG Gear Box Upgrade Spring 39
Price:$12.99  per EACH
QTY:   Add to cart Add to Wish List
 

DeepFire Spring Set AEG Gearbox V2 V3

Item Code: AC-UPI-DF-CPS12
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Deep Fire Upgrade Parts
Stock: Yes & Ships w/in 24Hrs*
 
Deep Fire Spring Set for AEG Gear Box Ver II or Ver III
Complete spring set for any Version 2 or Version 3 Mech Box
DeepFire Spring Set AEG Gearbox V2 V3
Price:$5.99  per EACH
QTY:   Add to cart Add to Wish List
 

DeepFire M100 Airsoft AEG Upgrade Spring

Item Code: AC-UPI-DF-CPS05
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Deep Fire Upgrade Parts
Stock: Ships in 4 Weeks
 
Deep Fire 100M/S Spring M100 Upgrade Spring
Upgrades speed of Airsoft Electric Guns to 320fps - 340 fps (100 M/S).
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
DeepFire M100 Airsoft AEG Upgrade Spring
Price:$11.99  per EACH
QTY:   Add to cart Add to Wish List
 

DeepFire M170 Airsoft AEG Upgrade Spring

Item Code: AC-UPI-DF-CPS04
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Deep Fire Upgrade Parts
Stock: Yes & Ships w/in 24Hrs*
 

Deep Fire M170 Upgrade Spring
Requires additional upgrades: Aluminium Piston, High Torque Motor, Full Tune Up Kit, etc. May cause damage to gear box
Compatible with most AEG (Marui, ICS, Classic Army, etc.)
Any Internal upgrades will void warranty
For Basic Airsoft Gear Box Tutorial
DeepFire M170 Airsoft AEG Upgrade Spring
Price:$16.99  per EACH
QTY:   Add to cart Add to Wish List
 

DeepFire M150 Airsoft AEG Upgrade Spring

Item Code: AC-UPI-DF-CPS03
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Deep Fire Upgrade Parts
Stock: Yes & Ships w/in 24Hrs*
 

Deep Fire M150 Upgrade Spring
Requires additional upgrades: Aluminium Piston, High Torque Motor, Full Tune Up Kit, etc. May cause damage to gear box
Compatible with most AEG (Marui, ICS, Classic Army, etc.)
Any Internal upgrades will void warranty
For Basic Airsoft Gear Box Tutorial
DeepFire M150 Airsoft AEG Upgrade Spring
Price:$14.99  per EACH
QTY:   Add to cart Add to Wish List
 

DeepFire M130 Airsoft AEG Upgrade Spring

Item Code: AC-UPI-DF-CPS02
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Deep Fire Upgrade Parts
Stock: Yes & Ships w/in 24Hrs*
 

Deep Fire M130 Upgrade Spring
Requires additional upgrades: Aluminium Piston, High Torque Motor, Full Tune Up Kit, etc. May cause damage to gear box.
Compatible with most AEG (Marui, ICS, Classic Army, etc.)
Any Internal upgrades will void warranty
For Basic Airsoft Gear Box Tutorial
DeepFire M130 Airsoft AEG Upgrade Spring
Price:$12.99  per EACH
QTY:   Add to cart Add to Wish List
 

DeepFire M120 Airsoft AEG Upgrade Spring

Item Code: AC-UPI-DF-CPS01
Airsoft Gun Style: Upgrades Airsoft AEG Springs
Manufacturer: Deep Fire Upgrade Parts
Stock: Yes & Ships w/in 24Hrs*
 

Deep Fire M120 Upgrade Spring
Upgrades speed of Airsoft Electric Guns to 360fps - 380 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
DeepFire M120 Airsoft AEG Upgrade Spring
Price:$11.99  per EACH
QTY:   Add to cart Add to Wish List
 
 

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