Introducing the Area 419 Universal Mag Extensions, the only truly precision-engineered magazine extensions on the market. Unlike competitors that offer simple rectangular blocks, our extensions are crafted with the specific design of your magazine in mind. The angled bottom of your magazine requires an equally precise attachment and that's where we stand apart. We've meticulously cut the attachment rail at an angle that aligns perfectly with the magazine pocket, ensuring the column of rounds feeds straight down into the extension. This attention to detail required extra time on the mill, but we utilized a 4th axis in a single operation to deliver the most advanced product available. The result enhanced reliability, especially when adding more than just +2-round. The fluted design around the sides not only provides an excellent grip for quick magazine changes but also reduces overall weight, making them more efficient. Initially designed for the American Rifle Company +4 mag extension, we have seamlessly adapted our design to fit a variety of magazines, including the ARC 10round mag, AICS 5 or 10-round and Accurate Mag for both standard bolt face and SAUM/WSM configurations. Please note that these extensions are not compatible with AI AW magazines due to their fixed/welded floorplate. Elevate your shooting experience with the unmatched reliability and innovation of Area 419 Universal Mag Extensions crafted for those who demand the best.

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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.