Luth-AR AR-15 Bolt Component Kit Black. Look no further than Luth-AR s AR Bolt Components Kit. This comprehensive kit includes everything you need to repair or upgrade your rifle s bolt assembly including an extractor extractor spring gas rings firing pin and other essential parts. These parts are made from high-quality materials and are designed to be durable and reliable. They are also easy to install making it easy to get your rifle back up and running in no time. Whether you are a seasoned gunsmith or just starting out Luth-AR s AR Bolt Components Kit is a great choice for anyone looking to maintain or improve the performance of their rifle. With this kit you ll have everything you need to keep your rifle running smoothly and accurately no matter what the situation. Specifications for Luth-AR AR-15 Bolt Component Kit: Manufacturer: Luth-AR Color: Black Fabric/Material: Metal Gun Model: AR-15 Design: AR-15 Package Contents: Luth-AR AR-15 Bolt Component Kit BT-06 Ejector LR-26 Ejector Spring BT-04 Ejector Pin BT-07 Extractor BT-08 Extractor Spring BT-03 Extractor Pin BT-08-OR Extractor O-ring BT-01-3P 3 Pack Gas Rings BT-14 Firing Pin BT-16 Firing Pin Retainer What firearm models does the manufacturer say Luth-AR AR-15 Bolt Component Kit is compatible with? The manufacturer says that Luth-AR AR-15 Bolt Component Kit is compatible with AR-15Luth-AR AR-BCK: AR-15 Bolt Component Kit Black