Precision-engineered aluminum extension tubes enhance the magazine capacity of your 12 Gauge Winchester shotgun. Each tube features an extra-thick wall to provide increased rigidity and strength. These tubes are ideal for shooting competitions, law enforcement applications and home defense scenarios. They screw onto the factory magazine threads, allowing for quick installation within minutes. Knurled gripping surfaces facilitate easy installation and removal for cleaning purposes.

The precision-machined aluminum extension enhances the capacity of the 12 Gauge Winchester super X-3 shotgun by adding three additional rounds
Designed with extra-thick walls to enhance durability, this product is ideal for competitive shooting, law enforcement applications, and home defense

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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.