AR-STONER offers replacement components for the LR-308 that are made to strict military specifications. These high quality components provide excellent fit and reliable function. AR-STONER parts are perfect for upgrading existing components or replacing worn or broken parts. This buffer is for use in standard AR-15 carbine tubes using the correct LR-308 carbine buffer spring. Don't waste your time or money, grab a few AR-STONER parts today!FeaturesMil-Spec PartGreat for New Builds for Replacing Worn PartsDependable Parts at an Incredible Price