Introducing the Area 419 Universal Mag Extensions a revolutionary design that sets a new standard in magazine extension technology. Unlike standard extensions that merely function as rectangular blocks, our products are thoughtfully engineered to align perfectly with the unique contours of your magazine. Most competitors overlook the angled design at the base of your magazine, which can lead to misalignment in the cartridge column. While this may suffice for a +2 capacity increase, it falls short for anything beyond that. We took a different approach by cutting the attachment rail at a precise angle to match the magazine pocket. This innovation ensures that the column of rounds feeds directly down into the extension, enhancing both reliability and performance. Our dedication to quality means that this process required additional milling time, as we executed the cut in a single operation on the 4th axis, but the result is the most advanced magazine extension available on the market today. The fluted sides not only provide an excellent grip for rapid magazine changes but also reduce weight for a more streamlined experience. Originally developed for the American Rifle Company +4 mag extension, we expanded our design to accommodate a variety of magazines, including the ARC 10-round mag, AICS 5 or 10-round and Accurate Mag for both standard bolt face and SAUM/WSM configurations. Please note, however, that these extensions are not compatible with AI AW magazines due to their fixed/welded floorplate. Elevate your shooting performance with the Area 419 Universal Mag Extensions, engineered for those who demand precision, reliability and innovation in every shot.

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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.