Quote:
Originally Posted by Colin_S
Why is a "better quality spring" easier on the mechbox? After all doesn't a Prometheus or Systema M120 (or whatever model fires 400 fps) have the same output energy as a PDI 170%? If it doesn't, how come these less energy springs are able to push BBs at the same level?
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The quality matters because PDI has claimed that a 170 should produce 400fps, but they vary QUITE widely and are inconsistent. The other companies produce exactly what they claim.