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A.E.G spring 120 m/s [Guarder]

GUARDER | Available
Our price*: $12.73

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  • Technical data

    Manufacturer: GUARDER
    Code: SP-120
    EAN 4711225799346
    Weight 20 g
    Material steel
    Length 172 mm

  • Reviews

    • - 04.05.2026 wrote:
      The Guarder A.E.G Spring 120 m/s (SP120) is a popular upgrade choice for airsoft players looking to boost the performance of their AEG rifles. Made from high-quality spring steel or tempered Si-Cr wire, it offers excellent durability and long-term consistency, even after extensive use.

      In terms of performance, this spring typically delivers around 390–420 FPS depending on the internal setup, making it ideal for outdoor gameplay where increased range and power are beneficial. The progressive winding design helps reduce stress during compression, resulting in smoother operation and better longevity compared to cheaper alternatives.

      Installation is relatively straightforward for experienced users, though beginners may find gearbox work challenging. It’s also worth noting that upgrading to this power level may require reinforced internal components for optimal reliability.

      Overall, the Guarder SP120 spring is a reliable, high-quality upgrade that delivers consistent power and solid performance for intermediate to advanced players.
      Opinion rating: 0
    • - 19.05.2025 wrote:
      The A.E.G spring 120 m/s by Guarder is a great upgrade for airsoft rifles. It offers a solid and consistent performance, increasing your FPS for better range and accuracy. Durable and easy to install—highly recommended!
      Opinion rating: 0
    • - 16.10.2024 wrote:
      The M120 airsoft spring has been a fantastic upgrade for my AEG! After installing it, I immediately noticed a significant boost in power and consistency. My gun is now firing at around 400 FPS, which is perfect for outdoor games where range and impact are crucial. The spring has a nice balance between power and durability, and it works great with my upgraded gearbox and motor.

      What I love most is the reliability—it delivers consistent performance without putting too much stress on my internals. The build quality of the spring is excellent, and after several games, there’s no sign of weakening or wear. Installation was straightforward, and I’ve had no issues with compression or fit. Overall, the M120 spring is an excellent choice for players looking to enhance their range and FPS without overloading their system. Highly recommend this upgrade for anyone looking to step up their airsoft game!
      Opinion rating: 1
    • - 20.05.2024 wrote:
      Tiko kerai atlieka savo darbą
      Opinion rating: 0
    • - 28.05.2023 wrote:
      Guarder makes some of the best and most reliable springs on the market. They are consistent and will last you a long time.

      Though keep in mind that this spring is NOT an M120 and will shoot WAY harder than one. My gun shoots around 1.8 - 1.9 joules with a 380mm barrel and 0.32BBS. If you want something in line with a M120 get Gaurders SP110 springs.
      Opinion rating: 2
    • - 16.12.2022 wrote:
      very good spring does its job as it should not destroy quickly
      Opinion rating: 0
    • - 08.05.2022 wrote:
      I install this spring into the weapon. On forums i found it give the weapon 380-400 FPS. No it does not give this performance. After a hard installation, it gave 440-441 FPS for my replica. I recommand this item for DMR guns.
      Opinion rating: 1
    • - 11.01.2022 wrote:
      A very high quality spring - one of the best. But I think that TaiwanGun mislabled this spring; on the package it says "SP120". I compared it to a actual SP120 spring and they are very very close in strenght. The power output is right in-between the SHS M110 and SHS M120 springs
      Opinion rating: 0
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    The administrator of your personal data is \ KRAKMAN P.Kiepura, K.Michalik Sp. k. with its registered office in Kraków, ul. Półłanki 18, 30-740 Kraków, NIP: 6793082897, REGON: 122593008. Personal data will be processed only in order to establish contact with you and legally justified purposes of the controller. Providing your personal data by is voluntary but also necessary to contact you. Detailed information about the processing of your personal data can be found in ourPrivacy policy on the rules of processing personal data. Fields marked * are required

Bestselling internal parts for tuning ASG replicas — Check out the other products in the series

Spring SP 120 Guarder with an uneven pitch AEG tuning.
Both are polished face.
Compatible with AEG Facilities, except PSG-1.
Equivalent to 120 Systema.
Installation of the spring provides power outlet between 390 up to 420fps (muzzle velocity is dependent on other parts mounted in the interior of the gearbox)


Safety & Usage Guidelines

This product meets all EU regulatory requirements. Professional assembly required. Order assembly service from Taiwangun or refer to materials below. Warning: contains small parts, not suitable for children under 14.
SKU: SP-120 · EAN: 4711225799346 · A.E.G spring 120 m/s [Guarder] ·
Report safety issue · Responsible person & manufacturer
Responsible person & manufacturer
Responsible person for product placed on the EU market:
KRAKMAN P. Kiepura, K. Michalik sp.k. · Pollanki 18, 30-740 Krakow, Poland · shop@taiwangun.com
Manufacturer:

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