The HolsterCo "Backup-Universal 45/10mm" is a single magazine carrier for comfortably carrying additional rounds.
The "Backup-Universal 45/10mm" features adjustable retention via the MRD (magazine retention device) which means it will fit nearly all double stack 45/10mm magazines with minor adjustment, and is available in all colors on our color chart and attaches with the original FOMI clip (iwb or owb).
Mag Carrier is compatible with "most" 45/10mm double stack magazines