Centennial Defense Systems Extended Control Kit w/Mag Release for Gen 5 Glock Serrated 2 Pins Black. The pins and slide lock lever are machined from high quality stainless steel and the magazine release is machined from 6061 aluminum providing added durability and a unique look. Note: Will NOT fit G36 G42 G43 G43X G48 or Gen 1-4 Models. Specifications for Centennial Defense Systems Extended Control Kit w/Mag Release for Gen 5 Glock: Manufacturer: Centennial Defense Systems Fabric/Material: Stainless Steel Gun Make: Glock Model Generation: 5 Package Contents: Centennial Defense Systems Extended Control Kit w/Mag Release for Gen 5 Glock Tango Down Slide Release Extended Magazine Release (serrated or stippled) Stainless Steel Extended Slide Lock Lever Stainless Steel Pin Kit Centennial Defense Systems 40346: Extended Control Kit w/Mag Release for Gen 5 Glock Serrated 2 Pins Black