The Luth-AR A3 Upper Receiver is precision machined from 7075-T6 aluminum forging and features a durable hardcoat anodized black finish for maximum durability and scratch resistance.Luth-AR A3 Stripped Upper ReceiverChambered for .223 RemingtonA3 flattop design with M4-type feed ramp12-position Picatinny accessory rail for optics mounting7075-T6 forged aluminum constructionHardcoat anodized black finishIncludes shell deflector and forward assist housingReady for ejection port cover installationDesigned for AR-15 platform rifles this stripped upper receiver provides a solid foundation for custom builds with premium materials and precise manufacturing tolerances.