Centennial Defense Systems Extended Control Kit for Glock 42/43 2 Pins Purple. The pins and slide lock lever are machined from high quality stainless steel and are direct replacements for the Glock 42 43 43X and 48 with no extra fitting required. Specifications for Centennial Defense Systems Extended Control Kit For Glock 42/43/43X/48: Manufacturer: Centennial Defense Systems Fabric/Material: Stainless Steel Gun Make: Glock Package Contents: Centennial Defense Systems Extended Control Kit For Glock 42/43/43X/48 Tango Down Slide Release Stainless Steel Extended Slide Lock Lever Stainless Steel Trigger Pin Stainless Steel Trigger Housing Pin What firearm models does the manufacturer say Centennial Defense Systems Extended Control Kit For Glock 42/43/43X/48 is compatible with? The manufacturer says that Centennial Defense Systems Extended Control Kit For Glock 42/43/43X/48 is compatible with Glock 42 Glock 43 Glock 43X Glock 48Centennial Defense Systems 40415: Extended Control Kit for Glock 42/43 2 Pins Purple