YHM-125 Yankee Hill Machine | Stripped AR-15 Lower

The Yankee Hill Machine YHM-125 is a stripped AR-15 lower receiver machined from forged 7075-T6 aircraft‑grade aluminum and finished in a matte black hardcoat anodize. It features oversized magazine well chamfers for faster magazine seating and is designed to accept mil‑spec upper receivers and standard AR-15 components. This receiver is sold as a stripped lower and requires a lower parts kit, buffer assembly, and stock to become a complete firearm component.

Recommended uses include precision builds for range and competition applications and general-purpose AR-15 assemblies for target shooting and training.

Product Specifications

• The receiver is machined from 7075-T6 aluminum (forged).
• The finish is listed as Matte Black Hardcoat Anodized.
• The product is sold as a Stripped lower receiver.
• The model is listed as AR-15 / AR-15 platform.
• The receiver features oversized magazine well chamfers for easier magazine changes.
• The lower is specified to accept all generations of PMAGs.
• The lower is specified to accept Mil‑Spec upper receivers.
• The manufacturer notes it fits all standard AR-15 parts.
• The receiver is finished to Military Specifications or better according to the manufacturer description.
• The listed dimensions are 2.35 x 4.35 x 8.75 (provided by manufacturer).
• The listed height is 2.3500 (provided by manufacturer).
• The listed width is 4.3500 (provided by manufacturer).
• The listed length is 8.7500 (provided by manufacturer).
• The listed weight is .75 (value provided by manufacturer).
• The UPC is 816701011272.
• The listing includes a state sale restriction noted as NO SALE TO ILLINOIS PICA.

This YHM-125 lower offers a solid foundation for a custom AR-15 build where material quality and fitment with mil‑spec components matter. Its forged 7075-T6 construction and hardcoat anodize make it suitable for precision-oriented assemblies, competitive configurations, or any project where a machined, mil‑spec-compatible lower is required.