Author Topic: Recoil spring tweeking  (Read 1555 times)

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Offline hansolo

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Recoil spring tweeking
« on: November 24, 2002, 10:19:36 PM »
I recently went to a 15 Lb. Wolff spring.  My CZ 75B 9mm cycles flawlessly, but the brass flies anywhere from 2-12'.  CCI/Blazer 115g usually lands between 1 and 4',
while S&B 115g and Geco 124g, as well as Winchester 115g eject right-rear about 6-12'.  I guess I'll go to a stronger spring.  I wonder why the factory standard for the standard slide 9mm is 14 Lb. when my Wolff 15 Lb. allows brass to fly about twice as far as the ideal?

Offline ut83

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Recoil spring tweeking
« Reply #1 on: December 19, 2002, 08:38:02 PM »
I cant answer for your specific gun...the stronger spring slows the recoil impulse/travel of the slide..thus putting less energy into the ejection/extraction process...slower speed equals less distance for the spent casing...
A weaker spring does the same thing in reverse....great speed equals great distance.....
Shoot well