The Lone Wolf Poly80 Spectre Completion Kit for Glocks chambered in .40 S&W contains all the parts necessary to complete the lower portion of your custom build. Easy to install, the Lone Wolf Poly80 Spectre Completion Kit for Glock provides reliable, optimum performance in your handgun. Glock trigger with trigger bar 6 lb. trigger spring 3.5 lb. connector Extended slide lock lever (black) Extended magazine catch Plus, all the necessary little springs & pins Separate kits for compact & full size .40 S&W Glock pistols With a Lone Wolf Poly80 Spectre Completion Kit for Glock, you are fully equipped to turn your 80% receiver in Mfg: Lone Wolf Dist.