In addition, the REC7 uses the new 6.8mm Remington SPC (6.8×43mm) cartridge, a round that is of roughly equivalent length to 5.56×45mm NATO ammunition, so it is compatible with a standard-size lower receiver currently in use by the United States military.

The REC7 employs a free-floating Daniel Defense rail system,[2] which allows many military accessories such as a bipod, night vision devices, and combat optics to be placed on the rifle.

The barrel is chrome-lined and is fitted with a M16A2 flash suppressor, a six-position Magpul MOE butt stock and pistol grip.

[3] The REC7 outfitted in a shortened barrel PDW configuration was one of the weapons displayed to U.S. Army officials during an invitation-only Industry Day on November 13, 2008.

Reinforced at critical areas, every bolt is proofed and magnetic-particle inspected to guarantee reliable performance.

The piston can be accessed through the front of the gas block without removing the handguard so optical sights or laser devices do not need to be zeroed after routine maintenance.