The 10-round Double Helix magazine is designed to be slimmer, lighter and more manageable than competing rotary rimfire magazines. It employs a torsion drive spring and an interlocking gear mechanism to ensure precise timing and accurate cartridge alignment, resulting in smooth and reliable feeding. The translucent gray casing facilitates easy verification of the remaining cartridge count. Cartridges can be removed by slightly moving the exposed gear, allowing each cartridge to be gently released without the need for tools or risking injury to fingers. The Double Helix features smooth, rounded exterior contours, twin gripping grooves, a tapered shape and a slightly extended baseplate, ensuring secure insertion. Additionally, the spring-assisted drop-free ejection feature enables quick magazine changes. The Browning Double Helix rotary magazine system is designed for ease of loading, carrying and use. It represents a forward-thinking design in magazine technology.

The device features a robust construction, combining a durable metal frame with a sleek polymer exterior, ensuring both strength and a modern aesthetic
The Double Helix rotary box magazine, featuring a patented design, employs torsion spring-driven interlocking gears to enhance reliability
Facilitates seamless loading and unloading processes, ensuring efficiency and minimizing downtime through streamlined operations and user-friendly design
10-round capacity rifle magazine - precision-engineered for reliability, this magazine ensures seamless feeding and optimal performance in various shooting conditions

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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.