Faxon ARAK-21 Complete Upper | 7.62×39 | 12.5in | URSSB762P

The Faxon ARAK-21 complete upper is a piston-actuated assembly designed to interface with a standard AR-15 lower without modification. Chambered in 7.62×39 with a 12.5-inch nitrided steel barrel and a 1:8″ rifling twist, it provides a compact, robust platform. It installs on a standard AR-15 lower using the takedown and pivot pins in under a minute and is suited to range training and field hunting of medium game.

Product Specifications

• The manufacturer is Faxon Firearms.
• The model is listed as ARAK-21 Complete Upper.
• The manufacturer part number is URSSB762P.
• The caliber is 7.62×39.
• The barrel measures 12.5 inches in length.
• The rate of twist is 1:8″.
• The barrel material is steel.
• The barrel finish is nitride.
• The upper receiver is billet aluminum.
• The operating system is piston actuated with a 4-position gas adjuster.
• The rail system is a M4-style quad rail.
• The muzzle device is a Muzzlok muzzle device.
• The listed weight is 5.1 lbs.
• This assembly includes a bolt carrier assembly, charging handle, lower forearm, full-length Picatinny rails, and an owner’s manual.
• The UPC is 816341025615.

Built around a nitrided steel barrel and a billet-aluminum receiver, the ARAK-21 delivers durable components and tool-free installation for users seeking a compact 7.62×39 upper that performs reliably in varied conditions. Its adjustable gas system, ambidextrous controls, and full-length rails provide tuning and accessory options for range work and field hunting, while the included bolt carrier assembly and hardware make it a ready-to-install solution.