Daniel Defense DD-21007 is a semi-automatic AR-15 lower receiver parts kit designed to help you complete a functional lower receiver build. It includes the fire-control group components, safety/selector parts, and all key detent and small hardware needed for assembly, along with a Magpul Enhanced Polymer trigger guard and an A2-style pistol grip.

Key features

• Semi-automatic AR-15 lower parts configuration with the correct semi-auto fire-control components
• Includes a Magpul Enhanced Polymer trigger guard for durable, comfortable control
• A2-style pistol grip included with standard lower-grip hardware
• Includes all primary detents, springs, pins, and small hardware to complete lower assembly

Build out your AR-15 lower with a complete, semi-auto Daniel Defense parts kit and get everything you need for a straightforward assembly.