RC tech 9pcs Spring Set is the best upgrade for your CZ pistol. It transforms your CZ and lets you be a faster and more accurate shooter. Enables faster cycling, lighter and crispier trigger pull, easier magazine change...
 
SET INCLUDES:
11 LBS hammer-Main spring
9LBS Recoil Spring CZ 
Light firing pin spring
Lighter trigger spring for CZ shadow, 75
Stronger Extractor spring for CZ Shadow, Tactical sport - Tanfoglio stock
Special trigger pin RC Tech for CZ Shadow,TS and Tanfoglio Stock with tool for replacmen
20% lighter magazine release spring
Lighter Sear spring