Shield Arms Glock 19/23 +5/+4 Magazine Extension Gold

The Shield Arms +5/+4 Magazine Extension fits Glock 19 and Glock 23 magazines and is machined from billet 6061 aluminum with a Type 2 anodized gold finish. It increases capacity by five rounds on Glock 19 magazines and four rounds on Glock 23 magazines while using an easy-access floor plate for spring and follower service without removing the extension. The extension ships with a +10% power spring and is covered by Shield Arms' lifetime warranty and Spring for Life guarantee.

Key Specifications

• Manufacturer is Shield Arms.
• Compatible with Glock 19 (Gen 3/4/5) and Glock 23 (Gen 3/4/5) magazines.
• Adds +5 rounds to Glock 19 magazines and +4 rounds to Glock 23 magazines.
• Material is billet 6061 aluminum.
• Finish is Type 2 anodized (Gold).
• Includes a +10% power spring.
• Design features an easy access floor plate for spring and follower service without removing the extension.
• Body includes index cuts to improve grip when removing from a magazine pouch.
• Weight is .1 (unit not specified in source data).

Engineered for reliable everyday carry and range use, this extension improves magazine handling and reload ergonomics while retaining serviceability and compatibility with most aftermarket flared mag wells. Its billet construction and anodized finish provide durable performance and a refined appearance for informed shooters seeking practical capacity and handling improvements.