The LBE AR 308 Delta Ring Assembly provides a complete replacement kit for .308 AR platforms including all necessary components for proper handguard installation and functionality.LBE AR 308 Delta Ring AssemblyComplete kit includes slip ring snap ring and weld springSpecifically designed for .308 AR riflesMade in the USA for quality and reliabilityEssential for AR-308 builds and repairs this delta ring assembly ensures secure handguard mounting and smooth operation of your rifle's gas system components.