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![Progressive AEG spring - M140 [AirsoftPro]](https://airsoftpro.cz/images/stories/virtuemart/product/airsoftpro-progresive-aeg-svd-spring-2.jpg)
Progressive AEG spring - M140 [AirsoftPro]![Progressive AEG spring - M140 [AirsoftPro]](https://airsoftpro.cz/images/stories/virtuemart/product/airsoftpro-progresive-aeg-svd-spring-1.jpg)
Progressive AEG spring - M140 [AirsoftPro]![Progressive AEG spring - M140 [AirsoftPro]](https://airsoftpro.cz/images/stories/virtuemart/product/airsoftpro-aeg-spring-4.jpg)
Progressive AEG spring - M140 [AirsoftPro]![Progressive AEG spring - M140 [AirsoftPro]](/images/stories/virtuemart/product/airsoftpro-progresive-aeg-svd-spring-2.jpg)
Progressive AEG spring - M140 [AirsoftPro] ![Progressive AEG spring - M140 [AirsoftPro]](/images/stories/virtuemart/product/airsoftpro-progresive-aeg-svd-spring-1.jpg)
Progressive AEG spring - M140 [AirsoftPro] ![Progressive AEG spring - M140 [AirsoftPro]](/images/stories/virtuemart/product/airsoftpro-aeg-spring-4.jpg)
Progressive AEG spring - M140 [AirsoftPro] Progressive AEG spring - M140
Spring is the base of the airsoft gun. It is part which notably affecting shooting range.
This spring is made of tempered SiCr alloy steel wire. Material primary dedicated for machine springs under rhytmic load. Our spring was tested under real airsoft fire and after 10000 shots without lenght or output change.
Progressive (nonlinear) winding gives lower resist at the first phase of pressing, but spring keep the same power.
| Material | Tempered SiCr Alloy Steel Wire |
| Application | For all gearboxes.Suitable also for Guarder pistons. |
| Tune-up | Power increase 50-60% |
| Weight | 17g |
Suitable for SVD sniper rifles
AirsoftPro
We are in airsoft business since year 2007. We listen customer's needs and try to bring goods with reasonable prices. We gather informations from 15 years of experiences with airsoft. Our AirsoftPro brand spare and upgrade parts are well known in Europe airsoft market.
Currently our shop is the most popular aisoft shop in the Czech Republic with the excellent feedback. See www.heureka.cz. In 2016 we run new modern eshop and working on warehouse logistic improvements to faster orders packing.
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