The H&K high capacity magazine spring is engineered to fit seamlessly with the USP series, providing enhanced performance and reliability. This precision-crafted spring is designed to maintain optimal tension and durability, ensuring consistent feeding and operation of high-capacity magazines. Constructed from high-grade materials, it offers superior resistance to wear and deformation, even under extended use. The spring's design facilitates smooth and efficient cycling, contributing to the overall functionality and longevity of the magazine. Ideal for users seeking to maintain or upgrade their USP magazines, this component is a critical element for ensuring dependable firearm performance.

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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.