Centennial Defense Systems Extended Control Kit w/Mag Release for Polymer80 Stippled 4 Pins TiN Gold. 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. Will Not fit P80SS SS80 PF9SS or PF45. Specifications for Centennial Defense Systems Extended Control Kit w/Mag Release for Polymer80: Manufacturer: Centennial Defense Systems Fabric/Material: Stainless Steel Gun Make: Polymer 80 Package Contents: Centennial Defense Systems Extended Control Kit w/Mag Release for Polymer80 Extended Slide Release Stainless Steel Extended Slide Lock Lever Stainless Steel Trigger pin locking block pin trigger housing pin front locking block pin Extended Magazine Release (serrated or stippled) Centennial Defense Systems 40538: Extended Control Kit w/Mag Release for Polymer80 Stippled 4 Pins TiN Gold