Field Repair Kit AR-15 Keep your AR running smoothly with our Field Repair Kit. It includes the most common parts you need to fix common issues and get your rifle back to peak performance. With durable materials and easy-to-use instructions, this kit is a must-have for any AR owner. Don't let a broken pin or lost spring slow you down - get your Field Repair Kit today. Contains: BT-06 Ejector LR-26 Ejector Spring BT-07 Extractor BT-08 Extractor Spring BT-03 Extractor Pin LR-22 Trigger Spring LR-32 Hammer Spring LR-31 Disconnector Spring BT-14 Firing Pin BT-16 Firing Pin Retainer Mfg: Luth-Ar