Luth-AR BT-08-OR-10 Extractor O'Ring .223/5.56mm AR-15 10 Pack

Keep your AR-15 extractor running reliably with the Luth-AR BT-08-OR-10 Extractor O'Ring. This 10-pack of flexible rubberized O-rings is designed specifically for .223 Remington and 5.56x45mm NATO AR-15 platforms, slipping over the extractor spring to maintain proper tension and consistent extraction - especially valuable on short-barreled rifles where reliable cycling is critical.

Made from durable, high-quality rubber, each O-ring installs quickly without modification and is ideal for replacing worn or stretched originals during routine bolt maintenance. Whether you are building a new upper or refreshing an existing rifle, this 10-pack gives you plenty of spares for the bench. The BT-08-OR-10 fits standard AR-15 bolt assemblies and is a simple, inexpensive upgrade for improved extractor function and overall reliability.