This Shield Arms base plate extends your Glock 17 magazine capacity by 5 rounds, converting a standard 17-round magazine into a 22-round capacity without compromising reliability.
- Part Type: Magazine Base Plate Extension
- Compatible Firearms: Glock 17 (9mm)
- Capacity: +5 rounds (converts 17-round magazine to 22 rounds)
- Material: Billet Aluminum
- Finish: Black Anodized
- Installation: Drop-In (includes extended spring and follower)
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