CMMG DISSENT MK4 556 5.56 NATO 16.1" Modular design Rifle

The CMMG DISSENT MK4 5.56 NATO rifle with 16.1-inch barrel and monolithic bronze finish delivers one of the smoothest shooting experiences in the modern AR platform. Built around CMMG's proven pedigree in precision manufacturing, this semi-automatic rifle combines ergonomic design with tactical versatility, making it equally at home on the range or in duty applications. The 16.1-inch barrel provides optimal velocity for 5.56 NATO while maintaining a compact profile suitable for vehicle operations or confined spaces.

Core features include a non-reciprocating forward charging handle that keeps your shooting grip consistent and allows target reacquisition without losing sight picture. The side-folding DISSENT stock offers adjustable length of pull and an integrated adjustable cheek riser—critical for shooters running optics or irons at varying heights. The M-LOK handguard with top Picatinny rail provides multiple mounting solutions for lights, lasers, or backup sights. At 11.4 pounds unloaded, the rifle balances controllability with shootability across a wide range of shooter body types and experience levels.

This platform appeals to law enforcement armorer selections, military support personnel, competitive shooters, and civilian tactical enthusiasts seeking a refined 5.56 NATO system. The compact barrel length without sacrificing ballistic performance makes it suitable for entry teams, vehicle operations, or scenarios where maneuverability matters. The monolithic bronze finish offers practical corrosion resistance in harsh environments while maintaining the professional appearance expected in duty contexts.

The CMMG DISSENT platform has earned respect among operators for consistent quality control and genuine reliability across extended training cycles. This MK4 variant represents a purpose-built approach to the modern patrol rifle—refined rather than minimalist, modular without unnecessary complexity.