Luth-AR A3 Upper Receiver (.223 Remington, Forged)

This is a stripped Luth-AR A3 flattop upper receiver designed for AR-15 platforms. It is described for use with .223 Remington and includes an M4-style feed ramp plus a 12-position Picatinny accessory rail for optics or flip-up sights. The receiver is precision machined from a 7075-T6 aluminum forging and finished with a hardcoat anodize for wear resistance.

Key Specifications

• Compatible caliber is .223 Remington.
• Product type is a stripped upper receiver for AR-15 platforms.
• Features an A3 flattop with M4-type feed ramp.
• Includes a 12-position Picatinny rail for mounting optics or sights.
• Constructed from a 7075-T6 aluminum forging.
• Finished with a hardcoat anodized surface treatment.
• Includes a shell deflector and forward assist housing.
• Prepared for an ejection port cover (ejection port cover not included).
• Color/finish is Black.

This forged A3 upper provides a durable, modular foundation for building a reliable AR-15 platform. Its flattop rail and M4-style feed ramp support common sighting and feeding configurations, while the 7075-T6 construction and hardcoat anodize deliver a robust, long-wearing surface. The design is straightforward and purpose-driven for builders who value proven materials and practical features.