Our magazine base pads are precision CNC machined from aerospace-grade aluminum, providing operators with the additional weight necessary for the base pad to drop freely and swiftly. Our magazine extensions increase capacity by 6-rounds for 9mm and 5-rounds for .40 Cal in Glock models 17, 19x, 22, 34, 35 and 45. The added knurling on our extended magazines for these Glock models ensures a secure grip in any condition, facilitating faster reloads compared to competitors. Manufactured in the USA, our products feature an impeccable finish. Our Glock magazine extension offers the most efficient and straightforward method to enhance the capacity of your Glock models 17, 19x, 22, 34, 35 and 45. Whether you are a dedicated concealed carrier, an active competitive shooter or anywhere in between, our full-size Glock extended magazine base pad is the ideal solution.

The purchase package comprises a newly manufactured power spring, ensuring optimal performance and reliability for your equipment
The magazine extension offers the fastest installation process available, ensuring a seamless and efficient upgrade to your firearm's capacity
Magazine capacity by accommodating an additional five rounds of .40 Cal ammunition, optimizing the firearm's operational efficiency
Management capabilities and elevated procurement processes
Edges are precisely chamfered to ensure a smooth transition, enhancing both the aesthetic appeal and functional safety of the product
No tools needed for magazine extension installation
Enjoy a seamless, hassle-free setup to enhance your magazine's capacity effortlessly

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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.