Aero Precision

The lower parts kit helps you to build a custom AR15 from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface.

Our upgraded Enhanced Lower Parts Kit features a Magpul MOE Grip and Aero Precision Billet Trigger Guard. 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
• Billet trigger guard
• Trigger guard roll pin
• Magpul MOE 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
• Trigger
• Disconnector

Specifications for Aero Precision AR15 Standard Lower Parts Kit: