Faxon Firearms ARAK-21 Complete Upper 5.56 NATO

The Faxon Firearms ARAK-21 Complete Upper is a highly innovative, gas piston actuated upper receiver assembly designed to integrate seamlessly with any standard AR-15 lower. Installation requires no tools and takes less than one minute—just connect via the takedown and pivot pins. Built from 6061-T6 aluminum with a black anodized finish, it features a 12.50" barrel in 5.56 NATO, a fully adjustable 4-position gas system, and a modular Barrel Assembly Unit (BAU) that includes the barrel, gas block, muzzle brake, gas piston, gas adjuster, and barrel trunnion. The design offers unparalleled versatility, allowing different gas flow settings for optimized performance, as well as a single-shot mode. The ARAK-21 comes complete with a charging block, standard charging handle, three full-length Picatinny rails, insulating shims, bolt carrier assembly, dual recoil spring system, and all necessary tools and manuals.

Specifications

• Manufacturer: Faxon Firearms
• Model: ARAK-21 Complete Upper
• Caliber: 5.56 NATO
• Barrel Length: 12.50"
• Barrel Finish: Black
• Material: 6061-T6 Aluminum
• Receiver Finish: Black Anodized
• Operating System: Adjustable Gas Piston (4 settings)
• Rails: Three full-length Picatinny
• Includes: Charging block, charging handle, forearm with screws, insulating shims, bolt carrier assembly, recoil system, tools, manual
• Weight: 5 lbs