Daniel Defense M4A1 RIII URG 5.56mm 14.5in Upper

Description

The Daniel Defense M4A1 RIII URG is an AR-15 upper assembly listed for .223 Rem/5.56 NATO with a 14.5-inch M4-profile barrel. It is offered with a RIS III M-LOK handguard, a GRIP-N-RIP charging handle and a pinned/welded DD flash hider. The unit ships without sights and is intended for range, duty-style, and modular build applications that prioritize reliability and serviceability.

Key Specifications

• Made by Daniel Defense.
• Model designation: M4A1 RIII URG.
• Chambered for .223 REM/5.56 NATO.
• The barrel measures 14.5 inches and follows an M4 profile.
• The handguard is a 12.5-inch RIS III M-LOK rail (as listed).
• The twist rate is 1-in-7.
• Includes a GRIP-N-RIP charging handle.
• Ships with a pinned/welded DD flash hider.
• Sights: No Sights.
• Listed weight is 5.05 (manufacturer-provided value).

This upper provides a practical, component-level option for builders and shooters who want a serviceable AR-15 upper with a short M4-length barrel and modular rail system. Its feature set supports a variety of configurations on the range or in duty-style applications while keeping installation and accessory fitment straightforward.

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