Faxon ARAK-21 Complete Upper Receiver – 16″ 5.56 NATO Tungsten

The Faxon ARAK-21 Complete Upper Receiver in Tungsten delivers a premium, battle-ready upgrade for your AR-platform rifle. Chambered in 5.56 NATO with a 16-inch barrel, this complete upper receiver is engineered to Faxon’s exacting standards, combining outstanding reliability with the modularity and versatility serious shooters demand.

The ARAK-21 platform is renowned for its innovative short-stroke gas piston operating system, which reduces heat and fouling transferred to the receiver compared to traditional direct-impingement designs. This results in a cooler, cleaner-running rifle that holds up under sustained fire and demanding field conditions. The complete upper assembly arrives ready to drop onto any mil-spec AR lower, making it an ideal choice for upgrading your current build or starting a new one.

Finished in a subdued Tungsten color, this upper offers a distinctive aesthetic without sacrificing durability. Whether you’re a competitive shooter, dedicated hunter, or serious firearms enthusiast, the ARAK-21 upper represents a high-performance investment backed by Faxon’s reputation for precision manufacturing.

Available now at Deep Roots Rifle Co — order online for fast shipping nationwide, or stop by our gun store in Eustis, Florida, where our knowledgeable staff can help you find the right components to complete your build. Competitive pricing, hard-to-find inventory, and expert guidance are what set us apart.