The Backup Tactical Magazine Extension adds 5 rounds to factory Glock 19 and Glock 23 magazines, increasing capacity from 15 to 20 rounds (9mm) or 13 to 18 rounds (.40 S&W).
- Part Type: Magazine Extension
- Compatible Firearms: Glock 19, Glock 23 (9mm and .40 S&W)
- Capacity Increase: +5 Rounds
- Material: Billet Aluminum
- Finish: Red Anodized
- Installation: Drop-In
- Includes: Magazine Extension, Reinforced Spring
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