The LBE AR15 Extreme Field Repair Kit provides comprehensive field maintenance capability with US-made replacement parts for AR15 rifles and compatible platforms.LBE AR15 Extreme Field Repair KitComplete set of critical AR15 replacement partsUS manufactured components for reliable performanceIncludes firing pins springs detents gas rings and trigger componentsEssential parts: firing pin retaining pins takedown detents extractor components hammer/trigger pins and bolt catch partsComprehensive kit for field repairs and maintenancePerfect for gunsmiths competitive shooters and AR15 owners who need reliable replacement parts for field maintenance emergency repairs or routine servicing of their firearms.