Yankee Hill Machine 125BILLET AR-15 Stripped Lower

Yankee Hill Machine 125BILLET Billet Lower Receiver

Yankee Hill Machine rejected the conventional path when designing this lower receiver. Rather than simply copying the standard forged lower, they created something distinctly different—a receiver that stands apart from the countless AR-15s in circulation.

Construction & Finish

This lower is machined from premium 7075-T6 aluminum, a material chosen for its strength and reliability. The hardcoat anodized matte black finish meets or exceeds Military Specifications, providing excellent corrosion resistance and a professional appearance.

Key Features

• Oversized magazine well chamfers for faster, smoother magazine changes
• Built-in, oversized machined trigger guard integrated into the receiver
• Accepts all generations of PMAG magazines for maximum compatibility
• Compatible with Mil-Spec upper receivers without modification
• Tension screw system ensures a precise fit with any standard Mil-Spec upper
• Fits all standard AR-15 parts (except aftermarket trigger guards)

What You Need to Know

This is a stripped lower receiver—it requires a lower parts kit, buffer tube, and stock of your choosing to complete the build. The design philosophy behind this receiver emphasizes both function and aesthetics, making it an excellent choice for builders who want something beyond the ordinary.

Whether you're a seasoned builder or tackling your first AR-15 project, this billet lower provides the quality foundation your rifle deserves.