Aero Precision M4E1 Stripped Lower Receiver

Aero Precision M4E1 Stripped Lower Receiver

The M4E1 represents Aero Precision's commitment to precision manufacturing and American craftsmanship. This stripped lower receiver is machined to mil-spec dimensions, ensuring reliable function with standard AR15 components.

Key Features

• Material: 7075-T6 aluminum for strength and durability
• Finish: Black anodize for corrosion resistance
• Compatibility: Works with all standard AR15 upper receivers and components
• Precision Machining: Mil-spec tolerances for reliable assembly and operation
• Custom Engraving: Features distinctive American flag graphic on the magwell

What You Get

This is a stripped lower receiver—the regulated firearm component that requires completion with a fire control group, stock, and grip before it becomes a functional rifle. It's an excellent foundation for building a custom AR15 to your exact specifications.

Build Your Way

Whether you're a seasoned builder or tackling your first AR15 project, the M4E1 lower provides the precision base you need. Its mil-spec design means you can source components from any reputable manufacturer and expect them to fit and function properly.