- Glock OEM replacement magazine floor plate
- Polymer is black colored
- Fits older 9MM/40S&W/357SIG/45GAP Glock magazines
- Fits pre-1993 "U-Notch" style mags only
- Does NOT fit recent or current production magazines
- Does NOT fit Glock 42 or Glock 43 magazines
- Part number 36 on the Glock schematic