Glock Magazine Floor Plate: 20, 21, 21SF, 29 Also 9rd G30 Mags
- Glock OEM replacement magazine floor plate
- Polymer is black colored
- Fits most 10MM/45ACP Glock magazines (Glock 20/21/29/30)
- When using on a Glock 30 magazine capacity drops from 10 to 9 rounds
- Does NOT fit Glock 36 magazines
- Part number 36 on the Glock schematic