Quote:
Originally Posted by Styrak
An M100 should be 330fps (if the manufacturer actually makes the spring to 100m/s)
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From what I've seen they generally do get the labelled fps when you drop the spring in a stock gearbox with a shitty stock piston head. When I put a Modify S90 in my friend's stock CA, with the terrible yellow plastic piston, the gun had chronoed at 295 fps. When I changed the piston head to a modify one, it went up to 330 fps. When I put very same spring in my VFC I chronoed at 345 fps.
Also:
ww.airsoftparts.ca/news/modifyspringtest.pdf
Quote:
Originally Posted by L473ncy
Yeah I thought that was physically impossible too.... It may have been a mislabeled spring which has happened before.
Although that said I have a Modify S110+ spring (I don't believe they use an M/s rating for their springs) and it started at like 415 FPS before settling down to a consistent 394.
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It's definitely not a mislabelled spring, I have a bunch of Modify S90's, 100's and 110's and they're coiled differently, so I verified by comparing with another one that I bought.