Enhance the performance and extend the lifespan of your H&K HK33 or HK53 with our top-tier helical recoil spring. Crafted for precision and durability, this premium recoil spring is engineered to deliver superior reliability and smoother operation, making it an essential upgrade for dedicated firearm enthusiasts. Whether you're at the range or in the field, experience improved cycling and reduced wear, ensuring your firearm operates at its peak potential. Elevate your shooting experience with this indispensable accessory designed for those who demand excellence.

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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.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).