ERGO Grips AR-15 Lower 9 Piece Spring Replacement Kit 4612

All the factory-weight springs needed to finish building up a stripped lower receiver or refurbish an existing lower to like-new function. Replace worn, corroded, or fatigued springs before they fail—inexpensive insurance against game-ending stoppages caused by spring failure during competition or tactical operations. Kit includes springs for trigger, hammer, disconnector, safety selector, magazine catch, bolt catch, buffer retainer, and takedown pin detents.