Geissele Automatics AR-15 Ultra Duty Lower Parts Kit

The Geissele Automatics® AR-15 Ultra Duty Lower Parts Kit contains almost everything you need for your next lower receiver build. This kit includes 2 takedown pin and pivot detents, 2 takedown pin and pivot pin springs, a checkered takedown pivot pin, bolt catch plunger, bolt catch spring, bolt catch coiled pin, maritime bolt catch, safety detent, buffer retainer, buffer retainer spring, safety detent spring, checkered takedown pin, magazine release button, magazine release spring, Super Configurable Safety Selector, magazine catch, coiled trigger guard pin, Geissele Ultra Precision™ Axis trigger guard, and a hex key. Does NOT include grip or fire control unit.