The H&K index pin spring is a precision-engineered component designed to fit seamlessly with H&K 417, MR556, and MR762 models. This index pin spring is manufactured to meet the rigorous standards of H&K, ensuring optimal performance and reliability. Constructed from high-grade materials, it provides the necessary tension and resilience required for the secure positioning of the index pin within the firearm assembly. The spring's design facilitates smooth operation and enhances the overall functionality of the weapon system, making it an essential component for maintaining the integrity and performance of your H&K firearm.

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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.