The Apex Spring Kit (model specific) is an important upgrade to the trigger pull of the Sigma pistols, yet still ideal for duty/carry and personal protection purposes. When properly installed, this kit will:
-Reduce trigger pull weight by approximately 2 lbs.
-Smooth trigger pull
-Improve reset
-Direct drop-in replacement parts
For Use In These Guns
Part# 107-021 for use in Sigma models.
What's Included
1 ea. Trigger Return Spring
1 ea. Striker Block Spring
1 ea. Striker Spring
- Manufacturer Part Number:
- 107-120
