Shield Arms Magazine Extension for Glock 19/23
The Shield Arms Glock 19/23 Magazine Extension is engineered to maximize your magazine capacity while maintaining reliability and ease of maintenance.
Capacity Boost
- Adds 5 rounds to Glock 19 magazines (9mm)
- Adds 4 rounds to Glock 23 magazines (.40 S&W)
- Works with OEM Glock 13 and 15-round magazines only
Design Features
Easy-Access Floor Plate: The unique floor plate design allows you to quickly access the spring and follower without removing the extension from the magazine body—ideal for cleaning, maintenance, or spring replacement.
Grip Enhancement: Index cuts on the extension body increase grip when drawing magazines from a pouch, improving speed and control during reloads.
Quality Construction: Machined from billet 6061 aluminum and finished with Type 2 hard anodizing in striking red. The extension fits most aftermarket flared mag wells for compatibility with popular Glock accessories.
Performance & Warranty
- Includes a +10% power spring for reliable feeding
- 100% lifetime warranty
- Shield Arms Spring for Life guarantee
- Proudly made in the USA
Magazine not included. Fits OEM Glock magazines only.
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
