The Yankee Hill Machine YHM-125 is a stripped lower receiver for the AR-15 platform, machined entirely in-house from forged 7075-T6 aircraft-grade aluminum. It is finished with a matte black hardcoat anodize to military specifications or better and is designed to accept mil-spec upper receivers and standard AR-15 components. The receiver features oversized magazine well chamfers to ease magazine changes and is compatible with all generations of PMAGs. Note: this is a stripped receiver and requires a lower parts kit, buffer assembly and stock to become a complete lower.
Key Specifications
- Made from 7075-T6 forged aluminum for a durable receiver blank.
- Finished with a matte black hardcoat anodize meeting military specifications or better.
- Designed as a stripped lower receiver for AR-15 builds.
- Accepts mil-spec upper receivers for broad compatibility.
- Features oversized magazine well chamfers to facilitate faster reloads.
- Accepts all generations of PMAGs for magazine compatibility.
- Machined 100% in-house by Yankee Hill Machine.
- Listed product dimensions are 2.35 x 4.35 x 8.75 inches.
- Requires a lower parts kit, buffer and stock to complete the lower assembly.
- Not for sale to Illinois PICA (state restriction noted).
As a forged, hardcoat-anodized lower, the YHM-125 provides a robust foundation for custom AR-15 builds. Its machined tolerances and oversized magwell detail make it suited for builders who value durability and straightforward parts compatibility while assembling a personalized rifle platform.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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