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.

SPECS: Spring steel.