Upgrade your firearm maintenance toolkit with our premium replacement O-ring, specifically designed for the CMMG MK3 and LR-308 extractor springs. Engineered for precision and durability, this O-ring ensures optimal performance and reliability of your firearm's extraction system. Crafted from high-quality materials, it offers superior resistance to wear and tear, providing a long-lasting solution to maintain the efficiency of your extractor springs. Whether you're a professional gunsmith or an enthusiast, this replacement O-ring is an essential component for ensuring smooth and consistent operation of your firearm. Easy to install and designed to meet the exact specifications of your CMMG MK3 or LR-308, it guarantees a perfect fit and enhanced functionality. Keep your firearm in peak condition with this indispensable replacement part.

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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).