Apex Smith and Wesson SD 9mm and .40 Spring Kit

Descripton: Apex Smith and Wesson SD Spring Kit 9mm and .40. Manufacturer: Apex Tactical. Specs: The Apex SD Spring Kit is designed as a drop in spring kit for the S&W SD Series Pistol. This drop in kit produces a smoother trigger pull and improved reset along with lowering the trigger pull weight for 8 to approximately 5.5 lbs. Specified for Duty/Carry use, this kit is the perfect compliment to any Smith and Wesson SD Pistol. Kit includes: Apex Trigger Return Spring, APex Striker Block Spring, Apex Striker Spring, Apex SD Slave Pin (To assist in installation of Trigger Return Spring).  Applicability: For use in the S&W SD line of pistols including SD9, SD40, SD9VE and SD40VE. Not for use in the Sigma Series Pistols. For Sigma Series Pistols, see the Sigma Series Kit Note: It is recommended that all Apex Tactical Specialties parts be installed by a qualified gunsmith.