Z9 +1 Mag Extension for Glock® 43 - RED

The Shield Arms +1 Magazine Extension is designed exclusively for your Z9 magazine, boosting capacity while maintaining reliability. With our easy-access floor plate design, you can quickly service or clean the magazine body without removing the extension. Backed by a 100% Lifetime Warranty and the Spring for Life Guarantee, this extension is built for performance.

Extension Features

• +1 round capacity (10 rounds total with Z9 magazine)
• Easy-access floor plate design for quick cleaning & service
• Index cuts on the extension body for improved grip from mag pouches
• Machined from billet 6061 aluminum
• Type II anodized finish
• 12-coil plus-power spring included
• Fits Shield Arms Z9 magazine only
• Proudly made in the USA
• Lifetime Warranty & Spring for Life Guarantee

ODA Green Edition

ODA Green was originally created for a deployed Operational Detachment Alpha team. Shield Arms continues to offer this finish in honor of Special Forces teams worldwide, donating a portion of proceeds to the Green Beret Foundation. The ODA Green edition features a durable green anodized finish.

Compliance Notice

This item is controlled under the International Traffic in Arms Regulations (ITAR). Please verify your state and local laws regarding magazine capacity restrictions before purchasing.

Click here for installation instructions