DANIEL DEFENSE MK18 RIII URG 5.56MM 10.3″ FDE

Description

The Daniel Defense MK18 RIII URG is an upper receiver group designed for compact AR configurations. It is listed for .223 REM/5.56 NATO and features a short Government-length barrel for a compact overall profile. The upper includes a RIS III M-LOK rail and a carbine-length gas system, and it ships with a threaded muzzle for common 1/2×28 devices. Features such as the GRIP-N-RIP charging handle are part of the factory configuration.

Key Specifications

• The product type is Accessory-Uppers.
• The caliber is .223 REM/5.56 NATO.
• The barrel length is listed as 10.3″ Government.
• The rate of twist is 1-in-7″.
• The rail is a FDE RIS III 9.5″ M-LOK Rail.
• The gas system is a Carbine Length Gas System.
• The NFA thread pattern at the muzzle is 1/2×28.
• Included additional features list a GRIP-N-RIP Charging Handle.
• The upper is noted as having a Threaded Barrel as a special feature.
• The listed weight is 4.5.

Built around a short Government-profile barrel and a proven RIS III M-LOK handguard, this MK18 RIII URG upper is intended for compact builds where maneuverability and a short overall length are priorities. Its factory-configured features make it a practical choice for users assembling a compact AR platform that relies on established components and modular accessories.