Upgrade or maintain your BRN-180 upper receiver with our comprehensive replacement or Backup spring kit, designed to ensure optimal performance and longevity. This kit includes all the essential springs needed for both Gen1 and Gen 2 models, providing a seamless fit and reliable function. Whether you're looking to replace worn-out components or keep a backup on hand for future needs, this kit offers the perfect solution. Crafted from high-quality materials, each spring is engineered for durability and precision, ensuring your firearm operates smoothly and efficiently. Keep your BRN-180 inches peak condition with this indispensable spring kit, tailored for enthusiasts and professionals alike.

Dual recoil springs
Bolt return spring, 1x
Piston drive rod spring, quantity - 1

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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).