The Faxon Firearms ARAK-21 XRS in 5.56/.223 (MPN ARAK-21XRS556) is a semi-automatic rifle built around a proprietary Faxon 16-inch barrel with a 1:8-inch twist and Faxon’s MUZZLOK flash hider system. Faxon Firearms tops the rifle with an M4 quad rail upper and fits a Magpul MOE SL adjustable stock. The safety runs an ambidextrous lever, and the rifle ships without fixed sights. Among AR-platform rifles in the AR rifles category, the ARAK-21 XRS favors shooters who want Faxon’s proprietary barrel and MUZZLOK system on a quad-rail upper.

Key Specifications

• Chambered in 5.56 NATO/.223 Rem with a 1:8-inch rate of twist.
• Built on a semi-automatic AR platform.
• Features a 16-inch Faxon barrel with the MUZZLOK flash hider system.
• The upper is an M4 quad rail design.
• Fitted with a Magpul MOE SL adjustable stock.
• The safety is an ambidextrous lever.
• Ships optic-ready, with no fixed sights installed.
• Feeds from a detachable magazine with a 30-round capacity.
• Weighs approximately 6.1 pounds.

Frequently Asked Questions

What makes the MUZZLOK system distinctive? It is Faxon’s proprietary barrel and flash hider attachment system.

What upper does this rifle use? An M4 quad rail upper.

Does this rifle come with sights? No, it ships optic-ready with no fixed sights installed.

Buy the Faxon ARAK-21 XRS 5.56/.223

Faxon’s proprietary barrel and MUZZLOK system on a quad-rail upper is exactly what the ARAK-21 XRS delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.