The Ergo Grips AR-15 Upper 5 Piece Spring Replacement Kit delivers essential components for reliable AR-15 maintenance and smooth upper receiver operation, combining Ergo Grips engineering with practical firearm care. This 5-piece kit includes the Ejector Spring, Forward Assist Spring, Port Cover Spring, Extractor Spring, and the Extractor Spring Buffer, providing a complete set of replacements to refresh critical functions in the upper receiver. Designed for rifle enthusiasts and builders, the kit supports straightforward upgrades during routine maintenance or during a comprehensive rifle build, helping to restore consistent cycling, reliable ejection, and smooth forward assist action. Each spring is manufactured to accurate tolerances and tested to meet demanding firearm performance standards, ensuring compatibility with standard AR-15 upper assemblies and contributing to long-term operation under field or range conditions. Whether youre fine-tuning a build kit or performing scheduled maintenance, this Ergo Grips kit enables precise, efficient installation without compromise. Enhance your rifle parts collection with a dependable, ready-to-use spring set that supports dependable cycling, easier disassembly, and continued accuracy across your AR-15 platform.