Aero Precision AR-15 Standard Lower Parts Kit

Aero Precision's AR15 Standard Lower Parts Kit features full Mil-Spec components to help you build out your custom AR-15 from the ground up.

Standard Lower Parts Kit Includes:

• Takedown/pivot Spring
• Takedown/pivot detent
• Trigger/hammer pin
• Takedown pin
• Pivot pin
• Bolt Catch
• Bolt Catch Spring
• Bolt Catch buffer
• Bolt catch roll pin
• Safety Selector
• Safety Selector spring
• Safety Selector detent
• Buffer retainer
• Buffer retainer spring
• Trigger guard
• Trigger guard roll pin
• A2 pistol grip
• Pistol grip screw
• Pistol grip lock washer
• Trigger spring
• Hammer spring
• Disconnector spring
• Magazine catch body
• Magazine catch spring
• Magazine catch button
• Hammer
• Single-Stage Mil-Spec Trigger
• Disconnector