Shield Arms Magazine Extension +5/+4 for Glock 19/23
Aluminum magazine extension adds 5 rounds to Glock 19 mags or 4 rounds to Glock 23 mags. Easy-access floor plate design with lifetime warranty and spring replacement guarantee.
Increase Your Capacity
The Shield Arms Magazine Extension is a straightforward solution for shooters who want more rounds downrange without changing firearms. This aluminum extension adds five rounds to your Glock 19 magazine or four rounds to your Glock 23 magazine—a meaningful increase in firepower for defensive, competitive, or training applications.
Smart Design
Shield Arms engineered this extension with a unique, easy-access floor plate that lets you quickly service the spring and follower without removing the extension from the magazine body. This practical feature saves time during maintenance and keeps your magazines running reliably.
Built to Last
Key Features:
- Anodized aluminum construction in gray
- Fits Glock 19 and Glock 23 magazines
- Tool-free floor plate access
- 100% lifetime warranty
- Shield Arms Spring for Life guarantee
Whether you're at the range, in competition, or training for personal defense, this extension gives you the capacity boost you need with the durability and support you deserve.
Features
- unique easy access floor plate design
- index cuts on the extension body
- machined from billet 6061 aluminum
- type 2 anodized
- comes with a +10% power spring
- fits oem glock 13 and 15 round magazines only
- proudly made in the usa
- fits most aftermarket flared mag wells
- lifetime warranty
