Description
The Luth-AR A3 .223/5.56 Upper Receiver is a fully assembled flattop upper ready for immediate installation on your AR-15 build. Precision machined from a 7075-T6 aluminum forging and finished with hardcoat Type III black anodizing, this complete upper includes the installed forward assist (round style), ejection port cover with dust cover, shell deflector, and a full-length 12-position Picatinny rail for optics or backup sights. It also features M4-style feed ramps for smooth, reliable feeding with all ammunition types.
This ready-to-go A3-style upper delivers excellent strength, corrosion resistance, and a clean tactical appearance while accepting all standard AR-15 barrels, handguards, charging handles, and bolt carrier groups.
Features
- Fully assembled A3 flattop upper with installed forward assist and ejection port cover assembly
- Full 12-position Picatinny accessory rail for optics and sights
- M4-style feed ramps for reliable feeding
- Shell deflector for proper spent case ejection
- Precision machined from 7075-T6 aluminum forging
- Hardcoat Type III black anodized finish for maximum durability
- Weight: approximately 9.5 oz (assembled)
- Proudly made in the USA by Luth-AR









