- Progressive Coiling
- Coloured Rating Tip
- SiCr Zinc Coated Steel
Produced to an incredibly high quality with the best mil-spec steel rated SiCr. Every spring no matter the rating has gone through a full quality control test by ASG for your peace of mind that you are fitting a reliable spring.
Fast Delivery
Delivery & Postage
Here at Patrol Base we ship worldwide, delivering not only to the UK but to most of the EU and select Worldwide locations as well. We provide a working day-by-road service via our handpicked courier services, simply buy your Airsoft guns with us and we'll have them delivered directly to your door.
For more information and to see the country we deliver please check out our Delivery Information Page.
Estimates
Below are some rough postage prices for orders. Please note these are subject to change and are only a rough guide. For a more accurate postage estimate please use the Postage Calculator at the basket.
UK Standard
£6.95
Approx.
UK Next Day
£8.95
Approx.
Highlands / Islands
£24.99*
Approx.
Saturday
£14.95
Approx.
* Scottish Highlands, Islands, and EU post prices can vary wildly. Prices range from £8.99 to £29.99, so please ensure you refer to the Postage Calculator at the basket for the lowest possible price.
Returns
We want you to be delighted with our products and services, so we provide the simple Patrol Base guarantee: if on receiving your item you are unhappy with your item for any reason then simply send it back to us. We will replace or refund the item.
You can return any item for any reason whatsoever, even if you have just changed your mind, within 14 days of receipt of the order. This is in addition to your rights under the Consumer Protection (Distance Selling) Regulations 2000.
For more information on returning products, and how to do it please visit our Returns Policy Page.
Description
Ideal for a basic, high FPS or high Rate Of Fire as long as your chose the right spring rating for your Airsoft electronic gearbox build. Each spring is Zinc coated to deter corrosion without impairing performance. The front of the spring is also coloured to identify the power rating and which end goes into your piston upon assembly.
Features
- Coloured end identifies power rating and which end goes into your piston (front)
- Consistent power with minimum loss between each shot
- Excellent coil strength
- Closed and flattened top and end for improved stability
- Designed with 6.03mm Inner barrels in mind
- Progressive coils result in a smooth initial piston release limiting stress on internal components
- Side bending is reduced due to materials and finish
- Excellent for high rate of fire builds
- Black Zinc plating to limit corrosion without impairing spring performance
- Check out this Guide if you are unsure what spring you need
Package Includes
- ULTIMATE Mil-Spec AEG Spring
Specification
General
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Internal Part Type
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Spring
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|---|---|
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Name Variant
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M95, M105, M125, M135, M115,
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Construction
 |
Red,
Orange,
Blue,
Green,
Yellow,
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|---|
Part Specific
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Part for Power Source Type
|
Electric
|
|---|
Spring Specific
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Spring Manafacturer Power Rating
|
Approx. M-95, Approx. M-105, Approx. M-125, Approx. M-135, Approx. M-115,
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|---|---|
|
Spring Approximate M/S
|
Approx. 95m/s, using 0.20g BB, Approx. 105m/s, using 0.20g BB, Approx. 125m/s, using 0.20g BB, Approx. 135m/s, using 0.20g BB, Approx. 115m/s, using 0.20g BB,
|
|
Spring Approximate FPS
|
Approx. 311fps, using 0.20g BB, Approx. 344fps, using 0.20g BB, Approx. 410fps, using 0.20g BB, Approx. 442fps, using 0.20g BB, Approx. 377fps, using 0.20g BB,
|
Size guide
Parts Fitting
Upgrades and Downgrades should only be undertaken by experienced players, or Airsoft Technicians. Please note, changing any internal parts of a weapon voids its warranty unless done in-house by our staff.
Please ensure that when fitting parts the part purchased is the correct part, as once a part has been fitted we cannot accept return.
We do know that players love to tinker, so we're here to give you help should you require it, and if needed you can get in touch with our workshop for more help!
Unique Parts
Please note that some parts may be unique to a specific brand of weapon. For example: Parts for an ASG M4A1 may not fit an ICS M4A1.
Parts from the same brand typically have a high chance of fitting, though be warned, some replicas use unique parts, so please ensure the part will fit before you attempt to fit it.
If you require help with fitting any parts feel free to get in touch with us via our Contact Us Page.
For more information with fitting parts, or should you require help, feel free to get in touch with our Workshop Department via our Contact Us Page.
Terms and Conditions relating to parts fitting can be read on our Terms and Conditions Page.