Centennial Defense Systems Extended Control Kit for Gen 1-4 Glock 2 Pins Black. The pins and slide lock lever are machined from high quality stainless steel and are direct replacements for most Gen 1-5 Glock models with no extra fitting required. Note: Will NOT fit G36 G42 G43 G43X G48. Specifications for Centennial Defense Systems Extended Control Kit for Glock: Manufacturer: Centennial Defense Systems Fabric/Material: Stainless Steel Gun Make: Glock Gun Model: Universal Condition: New Package Contents: Centennial Defense Systems Extended Control Kit for Glock What firearm models does the manufacturer say Centennial Defense Systems Extended Control Kit for Glock is compatible with? The manufacturer suggests that Centennial Defense Systems Extended Control Kit for Glock is compatible with UniversalCentennial Defense Systems 40002: Extended Control Kit for Gen 1-4 Glock 2 Pins Black