This drop in kit produces a smooth trigger pull and improved reset along with lowering the trigger pull weight from 8 to approximately 5.5 lbs. Specified for Duty/Carry use, this kit is the perfect compliment to any Smith & Wesson SD pistol.

Features and Specifications:
Manufacturer Number:107-120
Includes:
One Apex Trigger Return Spring
One Apex Striker Block Spring
One Apex SD Striker Spring

Fits:
Smith & Wesson SD & SD-VE Series semi-auto pistols (SD9, SD40, SD9VE & SD40VE).
Works in conjunction with the Apex SD Polymer Action Enhancement Trigger.
NOT for use in the Sigma Series pistols (see Apex Sigma Spring Kit).

Note: This kit DOES NOT include a sear spring. This kit was designed to work with the factory sear spring, so removal and/or replacement of the sear spring is not necessary.