9mm upgrade spring for sniper rifles -M160 (525 FPS)
New upgrade spring for bolt action sniper rifles. Made of steel spring wire, blackening surface, thermal tratment. Ends of the spring are grounded in. Older AirsoftPro springs where little bit "over scaled". These new springs better match to its nominal value.
Please note this is upgrade spring with the outer diameter 12,8mm and inner diameter 9mm. It is suitable for upgraded pistons which larger inner diameter !
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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