Yankee Hill Machine | YHM Assembled AR-15 Lower | 6-Position Stock

This Yankee Hill Machine (YHM) assembled AR-15 lower receiver is delivered ready with a complete lower parts kit and an adjustable commercial carbine stock installed. It is machined in-house from 7075-T6 aircraft-grade aluminum and finished in a hardcoat anodized matte black intended to meet or exceed military specifications. The lower accepts Mil‑Spec upper receivers and is compatible with all generations of PMAG magazines.

Use this assembled lower for range practice and for custom rifle builds where a durable, factory-style lower is required. It is intended to provide straightforward installation with a compatible upper and standard AR-15 components.

Product Specifications

• This lower is machined 100% in-house by Yankee Hill Machine.
• Constructed from 7075-T6 aircraft grade aluminum (forged).
• Finished with hardcoat anodized matte black to military specifications or better.
• Features oversized magazine well chamfers for easier magazine changes.
• Accepts all generations of PMAGs.
• Accepts Mil‑Spec upper receivers.
• Fits all standard AR-15 parts.
• Ships pre-assembled with a complete lower parts kit installed.
• Includes an adjustable 6-position commercial carbine stock.
• Includes a standard A2 black pistol grip.
• UPC is 816701011302.

Designed for builders who want a ready-to-install chassis without assembly hassles, this YHM assembled lower combines forged 7075-T6 construction with factory-style fit and finish. Its compatibility with Mil‑Spec uppers and PMAG magazines makes it a practical choice for range work and custom rifle projects where proven materials and straightforward interchangeability are priorities.