Harrington & Richardson M4 Stripped Upper Receiver - Gray

Harrington & Richardson M4 Stripped Upper Receiver - Gray

Precision-machined from ultra-durable forged 7075-T6 aluminum, the Harrington & Richardson (H&R) AR-15 Stripped Upper Receiver in Gray Hardcoat Anodize offers the ideal foundation for retro, lightweight, or custom AR-15 builds. Machined to strict mil-spec M16/M4 tolerances.

Engineered for flawless feeding and lockup, this upper features precision-cut M4 feedramps and standard .250-inch takedown pin holes to ensure a tight, dependable fit with standard AR-15 lower receivers. Finished in an authentic Gray Type 3 Hardcoat Anodizing that provides superior resistance to wear, corrosion, and environmental harshness, each upper is stamped with a "G" marking on the rear takedown lug. Proudly 100% made in the USA, this H&R stripped upper receiver delivers time-tested reliability and classic military-grade aesthetics.

Features

Forged 7075-T6 Aluminum Construction:
Forged from high-strength 7075-T6 aluminum alloy and precision-machined to exacting mil-spec dimensions for long-term endurance.

Gray Type 3 Hardcoat Anodized Finish:
Durable Type 3 hardcoat anodizing in classic gray offers superior surface protection against corrosion, abrasion, and field wear.

Precision M4 Feedramps:
Factory-machined M4 feedramps ensure smooth, reliable cartridge transition from magazine to chamber across various bullet geometries.

Authentic "G" Rear Lug Marking:
Features a "G" mark stamped into the rear takedown lug, adding authentic detail for retro enthusiasts and collectors.

Standard Mil-Spec Compatibility:
Utilizes standard .250-inch takedown and pivot pin holes for seamless mating with any standard mil-spec AR-15 lower receiver.

100% Made in the USA:
Sourced, machined, and finished entirely in the United States to rigorous quality assurance standards.

Specifications