Shield Arms +5/+4 Mag Extension for Glock 19/23, Gray

The Shield Arms +5/+4 Magazine Extension provides a practical way to increase capacity for Glock 19 and Glock 23 magazines without replacing the magazine body. Engineered for straightforward installation, the extension features an easy-access floor plate that lets you service the spring and follower without removing the extension. Finished in anodized gray, it offers corrosion resistance and a subdued appearance that integrates with a wide range of setups. Backed by Shield Arms’ 100% lifetime warranty and the Spring for Life guarantee, it is built for long-term use.

Key Specifications

• The manufacturer is Shield Arms.
• The model is listed as the +5/+4 Magazine Extension.
• Compatible with Glock 19 and Glock 23 magazines.
• The extension adds 5 rounds to Glock 19 magazines and 4 rounds to Glock 23 magazines.
• The color is Gray.
• The finish is Anodized.
• The product type is Magazine Extension.
• The subcategory is Magazine Parts.
• Features an easy-access floor plate for spring and follower service without removing the extension.
• Includes a 100% lifetime warranty and Shield Arms Spring for Life guarantee.

Simple, durable, and serviceable, this Shield Arms magazine extension is a practical upgrade for users who need additional capacity from existing Glock 19 and 23 magazines. Its anodized finish and service-friendly design make it a sensible choice for range use, training, or everyday carry support where lawful capacity adjustments are permitted.

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