The Shield Arms magazine extension increases the capacity of your Z9 magazine by three rounds. Its distinctive floor plate design facilitates swift access to the spring and follower without necessitating the removal of the extension from the magazine body. This product is backed by a comprehensive lifetime warranty and is covered by the Shield Arms spring for Life guarantee.

The floorplate features a unique design that allows for servicing or cleaning the magazine body without detaching the magazine extension
The extension body features index cuts designed to enhance grip, facilitating easier retrieval from a magazine pouch
The component is precisely crafted from billet 6061 aluminum, ensuring high strength and durability, while offering excellent corrosion resistance and machinability
The Type II anodized finish is an electrochemical process that enhances aluminum's corrosion resistance and durability, providing a protective oxide layer
Shield Arms Z9 PowerCron magazine by adding 3-round, resulting in a total capacity of 12-round, doubling the standard OEM capacity
Equipped with a 14-coil configuration and an enhanced power spring, this device ensures optimal performance and efficiency
Magazine extension with lifetime warranty - enjoy peace of mind with our durable magazine extension, backed by a comprehensive lifetime warranty for ultimate reliability

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Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

It is the customer’s responsibility for understanding state laws regarding magazine capacities. Palmetto State Armory abides by all state regulations regarding the sale of high capacity magazines. We DO NOT ship high-capacity magazines with firearms to certain states. We WILL NOT replace high capacity magazines with state compliant magazines. We DO NOT offer refunds in place of the magazines. Please see our terms and conditions for a list or restricted states.