Keep your AR running smoothly with our spring kit. It includes everything 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. Includes: Ejection Port Spring Hammer Spring Trigger Spring Forward Assist Spring Magazine Catch Spring Selector Spring Disconnector Spring Bolt Catch Spring Extractor Spring Detent Spring (x2) Buffer Retainer Spring Charging Handle Spring