Glock 17 OEM 17 round 9mm magazine with an anodized Shield Arms +5 magazine extension pre-installed. Their unique, easy access floor plate design allows you to quickly access the spring and follower without having to remove the extension from the magazine body. Comes with a 100% lifetime warranty, and the Shield Arms Spring for Life guarantee.
Specifications:
- Fits Glock 17/34/19X/45
- Adds 5 Rounds to the Glock 17
- Machined from Billet 6061 Aluminum
- Type 2 Anodized
- Includes a +10% Power Spring