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Luth-AR A3 Assembled Upper Receiver has been discontinued by Luth-AR and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Parts yourself to try and find the perfect replacement for you!
Craft a premium AR platform rifle when you start your build with this Luth-AR A3 Assembled Upper Receiver. These AR15 Upper Parts by Luth-AR come fully assembled with an M4-type feed ramp and 12 position Picatinny accessory rail where you can mount a variety of optics, lasers, and other rifle attachments. The Luth-AR A3 .223/5.56 Upper Receiver Assembled is tough as nails, precision machined from 7075-T6 aluminum forging and topped off with an anodized hardcoat for maximum durability and scratch resistance. Plus, with this upper you also get a shell deflector, forward assist, and an ejection port cover. Don't waste time having to put together your own parts, and get the Luth-AR A3 Flattop Upper Receiver to complete your high quality .223/5.56 rifle build.![]()