Shield Arms Glock 26/27 +5/+4 Mag Extension, Black

Shield Arms’ magazine extension is designed for Glock 26 and Glock 27 magazines to increase capacity and improve handling in compact carry and range roles. The extension adds five rounds to Glock 26 magazines and four rounds to Glock 27 magazines while preserving serviceability via an easy-access floor plate. Machined from billet 6061 aluminum and finished with Type 2 anodizing, the extension ships with a +10% power spring and is intended for use with OEM Glock magazines (Gen 3–5).

Key Specifications

• Adds 5 rounds to Glock 26 magazines.
• Adds 4 rounds to Glock 27 magazines.
• Constructed from billet 6061 aluminum.
• Finished with Type 2 anodizing.
• Includes a +10% power spring.
• Compatible with OEM Glock Gen 3-5 magazines.
• Designed with an easy-access floor plate to service the spring and follower without removing the extension.
• Color is Black.
• Backed by a lifetime warranty and the Shield Arms Spring for Life guarantee.

This extension provides a practical capacity increase and improved purchase for compact Glock owners while maintaining magazine serviceability and compatibility with common flared mag wells. Robust machining and the included warranty make it a durable, maintenance-friendly upgrade for everyday carry and range use.