The Polymer80 PF-Series FLTKIT Pistol Frame Parts Kit is compatible with the PF940v2, PF940C, PF940SC, G17, G19 and G26 frame assemblies. Giving the end user multiple options with one kit. The PFP-FLTKIT includes all frame components needed without the trigger bar, trigger shoes and trigger safety. The perfect kit for the customer who already has a custom trigger. Also, there are three options for the slide lock spring, compact, subcompact and full-size slide lock spring. No matter what size 9mm PF-Series frame the end user has, the Polymer80 Pistol Frame Parts Kit is perfectly suited for your next build. The following parts are included:Trigger Spring, Trigger Housing, 9mm Ejector, Connector, Magazine Release, Magazine Release Spring, Slide Lock Lever, Compact Slide Lock Spring, Full Size Slide Lock Spring, Subcompact Slide Lock Spring (coil spring type), Slide Catch Lever, Trigger Pin, Locking Block Pin.