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Old March 20th, 2012, 10:24   #16
Armen000
 
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Quote:
Originally Posted by Scopedog View Post
Springs are generally rated in m/s (meters per second). So an M100 or S100 spring would be 100mps or roughly 328fps.

Other components in the mechbox, inner barrel, hop-up, and quality of your air seal are going to influence velocity. Use the spring ratings as a ballpark estimate, not an absolute value.
if not already corrected, springs with an S before the number listed are not measured in m/s, for example, an M100 will get you around 330, you are correct, however an s100 will get you between 365-375 FPS. All spring brands have charts in order to pick out the right one, find them, and then find the right spring for your application
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