TacStar's modular shotgun extensions offer versatility, lightweight durability and smooth functionality in a sleek, stylish package. Constructed from rugged 6061 aluminum with a matte black anodized finish, these extensions increase your shotgun's capacity while maintaining strength and reliability. The innovative modular design features identical threading on both ends, allowing the recessed magazine/barrel clamp area to be repositioned for maximum adaptability. Designed to fit Remington 870, Mossberg 590 and Winchester SXP shotguns, these extensions provide a practical and customizable upgrade for any shooter.

Magazine includes a high-visibility follower
The magazine features a recessed cut for a magazine/barrel clamp
Made from tough, lightweight 6061 aluminum
Matte black finish offers a refined, non-glossy appearance while providing enhanced protection
The long magazine spring enables precise adjustment, allowing for fine-tuning of fit and function to ensure optimal performance and 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.