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Did you lighten the valve spring

July 3 2008 at 7:15 PM
Jeff S  (Login shootinginalabama)
YFOT


Response to QB78 - Power Mods - What Next ?
by cutting it or did you replace it with a new spring. If you changed it what spring did you use. I lightened the striker to 1.6 oz but I lost 100 fps so I am looking for answers.

Jeff Schock
WB9ZPO
QB78 carbine tuned by CO2une,
QB78 Thumb hole stock
AR2078 mild tune by MM

 
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