Centennial Defense Systems Extractor w/LCI for Glock 43 OD Green. It is designed to be a drop in replacement of the OEM part and does not require any additional fitting. Specifications for Centennial Defense Systems Extractor w/LCI for Glock 42/43: Manufacturer: Centennial Defense Systems Fabric/Material: Stainless Steel Package Contents: Centennial Defense Systems Extractor w/LCI for Glock 42/43 What firearm models does the manufacturer say Centennial Defense Systems Extractor w/LCI for Glock 42/43 is compatible with? The manufacturer suggests that Centennial Defense Systems Extractor w/LCI for Glock 42/43 is compatible with Glock 43 Glock 42Centennial Defense Systems 30099: Extractor w/LCI for Glock 43 OD Green