Description
The Daniel Defense MK18 RIII URG is an AR-15 upper receiver group chambered for .223 Remington/5.56 NATO. It combines a 10.3-inch threaded barrel with a carbine-length gas system, a black RIS III 9.5-inch M-LOK rail, and a GRIP-N-RIP charging handle.
Its compact barrel length and integrated feature set make it suited to rifle-building and range applications where a short upper configuration is preferred.
Key Specifications
- The .223 Remington/5.56 NATO chambering supports the listed cartridge types.
- A 10.3-inch barrel provides the specified compact configuration.
- The 1/2×28 thread pattern accommodates compatible muzzle devices.
- The 1-in-7 rate of twist is specified for the barrel.
- The carbine-length gas system matches the upper’s compact configuration.
- The black RIS III 9.5-inch M-LOK rail provides the listed handguard interface.
- The GRIP-N-RIP charging handle is included as an additional feature.
- The matte black finish provides the listed exterior treatment.
- No sights are included with this upper receiver group.
- The listed weight is 3.5 pounds.
This upper receiver group is a practical choice for builders seeking the MK18 RIII configuration with a short barrel, M-LOK rail, carbine-length gas system, and threaded barrel. Its specified features keep the build focused without adding sights or unrelated components.
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