The CMMG 55AFF2F Upper Pins and Springs Parts Kit is designed for AR-15 style rifles and includes front sight detent, front sight spring, forward assist spring, extractor spring and buffer, extractor pin, ejector, ejector/selector spring and ejector pin. All parts meet or exceed Mil-Spec, ensuring reliable performance and compatibility with standard AR-15 platforms.
this CMMG parts kit provides everything needed for a complete upper assembly. The kit covers all the essentials for mil-spec AR-15 uppers, making it ideal for both builders and shooters looking to maintain a quality spare parts inventory. Each component is manufactured to exacting military specifications, delivering the durability and precision expected from CMMG’s reputation for quality AR platform components.






