Shield Arms +5/+4 Mag Extension for Glock 17/22/34/35/19X/45 Gold

The Shield Arms magazine extension is designed for Glock magazines to increase capacity while maintaining reliable serviceability. It adds five rounds to compatible Glock 17/19X/34/45 magazines and four rounds to compatible Glock 22/35 magazines, with an easy-access floor plate for spring and follower maintenance without removing the extension. Machined from aluminum and finished in gold Type II anodize, the extension fits OEM Glock magazines and accommodates most aftermarket flared mag wells. The product includes a heavier power spring and is backed by Shield Arms’ lifetime and spring guarantees.

Key Specifications

• The extension adds +5 rounds to Glock 17, 19X, 34, and 45 magazines.
• The extension adds +4 rounds to Glock 22 and 35 magazines.
• The body is machined from 6061 aluminum for strength and light weight.
• The finish is Type II anodized (gold) for corrosion resistance and appearance.
• Includes a +10% power spring to support added capacity.
• Features a unique easy-access floor plate to service the spring and follower without removing the extension.
• Includes index cuts on the extension body to improve grip when extracting from a pouch.
• Designed to fit OEM Glock magazines only.
• Proudly made in the USA and backed by Shield Arms’ lifetime warranty and Spring for Life guarantee.
• The unit weight is approximately 0.145 (as provided by manufacturer attributes).

Practical for range sessions, competition, or those seeking increased magazine capacity without permanent magazine modification, this Shield Arms extension offers a durable, serviceable solution. Its billet construction, serviceable floor plate, and included power spring provide a straightforward upgrade for compatible Glock magazines while the lifetime and spring guarantees add long-term assurance of functionality.