Product Description The Luth-AR Extractor O-Ring is designed for .223 Remington/5.56 NATO AR-15 platforms to help improve extractor function and overall reliability. Installed over the bolt extractor spring, this simple upgrade can be especially beneficial for short-barreled applications where extraction can be more demanding. Built from durable, high-quality materials and made for easy installation, this 10-pack is ideal for maintenance, spares, or multiple builds. Product Highlights Designed for AR-15 rifles chambered in .223 Remington / 5.56 NATO Installs over the bolt extractor spring to support improved extractor reliability Great maintenance item for hard-use or short-barreled configurations Durable construction using high-quality materials for long service life Convenient 10-pack for spares, armorer kits, and multiple rifles Specs Brand: Luth-AR Product Type: Extractor O-Ring Compatibility: AR-15; .223 / 5.56 Pack Quantity: 10 Manufacturer Part Number: BT-08-OR-10 UPC: 812058030652 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the products manufacturer.