The Lead & Steel Mil Spec Lower Spring Kit (LSK) is designed to meet or exceed mil spec TDP standards. Crafted from stainless steel and spring steel, this kit is perfect for completing a lower receiver or keeping as a backup in the field. It has been tested in class 3 MGs without any issues, ensuring top tier performance under pressure. With this kit, you can rest assured that you're getting a high-quality, durable solution for your AR build or maintenance needs.

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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).