This kit will give you everything you need to finish out your 9mm (not G43) frame. All parts (except the Overwatch Triggers) are factory GLOCK parts. Why settle for second best or a knock off when you can have the original factory replacement part? Brand new. This replacement part is a factory original from Glock. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts which guarantees excellent fit and reliable operation.