High quality components and precise manufacturing make Lone Wolf parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. Only fits Gen3THIS PRODUCT DOES NOT COME A WITH LOCKING BLOCK. Kit Contains: LWD-3608 Lone Wolf Trigger Bar G17,19,22,23,24,26,27,31,32,33,34,35,37,38,39 LWD-PolyShoe LWD Polymer Trigger Shoe, Black (Bare Trigger Shoe) LWD-7496 LWD Extended Slide Stop 3 Pin LWD-ESLL LWD Extended Slide Lock Lever Black LWD-342 LWD Connector 3.5 lb LWD-350-6 LWD Trigger Spring 6 lb LWD-420 LWD Trigger Pin LWD-4368 LWD Locking Block Pin LWD-427B LWD-Trigger Housing Pin (Black) GLO-322 Glock OEM Trigger Housing LWD-280 LWD Mag Catch Spring LWD-1981 LWD Magazine Catch Extended LWD-5446 LWD Slide Lock Spring 17,17L,20,21,21SF,22,24,31,34,35,37 LWD-1882 LWD 40 Bare Ejector Includes 9mm Ejector