Daniel Defense MK18 URG 5.56 10.3″ RIS II FDE Upper

Description

The Daniel Defense MK18 URG Complete Upper Receiver Group is built as a compact, service-oriented AR-15 upper for use with 5.56x45mm NATO /.223 Rem chambering. It features a 10.3″ cold hammer-forged, chrome-lined barrel and the DD RIS II MK18 handguard in Flat Dark Earth. The assembly ships with a M16-profile bolt carrier group and an ambidextrous GRIP-N-RIP charging handle designed for left- and right-handed operation.

Key Specifications

• The barrel length is 10.30″, provided in a Government contour for compact handling.
• The cartridge/chambering is listed as .223 Rem / 5.56 NATO.
• The barrel twist rate is 1:7.
• The barrel is described in the manufacturer materials as cold hammer-forged Chrome Moly Vanadium steel with chrome lining and a black phosphate finish.
• The upper receiver is CNC machined from 7075-T6 aluminum with Type III hard coat anodizing noted in the materials list.
• The handguard is the DD RIS II MK18 style, finished in Flat Dark Earth.
• The gas system is specified as carbine length with a pinned low-profile gas block.
• The bolt carrier group is an M16-profile BCG that is MP-tested and chrome-lined.
• The charging handle is the ambidextrous GRIP-N-RIP design.
• The muzzle is threaded to a 1/2×28 pattern for compatible muzzle devices.

As supplied, this upper is a complete upper receiver group intended for installation on a compatible AR-style lower; when installed into a complete firearm it may be subject to federal NFA or other regulations depending on final configuration. Built to the component specifications provided by the manufacturer, this MK18 URG blends compact dimensions, durable materials, and proven interface features for duty-style, defensive, or compact precision setups.