Built for precision, sound reduction, and rapid deployment in constrained environments. The MCX-SURG upgrade kit converts a Mil‑Spec M4 lower into a suppressed MCX configuration purpose-built for durability under duress. Ruggedized components, a direct‑thread suppressor, and removable cage provide modularity and serviceability for the no‑nonsense operator.

Key Specifications

• Chambering: .223 REM/5.56 NATO
• Barrel Length: 11.5″
• Barrel Type: Cold Hammer Forged
• Suppressor Material: Inconel
• Packaged Weight: 1.49lbs
• Color: Flat Dark Earth
• Product Type: Suppressed Upper
• Action: Semi-Auto
• Included Accessories: Lightweight LowPro Handguard; SD Handguard with heatshield; M4 Lower Receiver Adaptor Kit
• Notable Features: Direct-thread suppressor; removable titanium cage; folding stock with adapter kit

Mission Brief: The MCX-SURG integrates sound mitigation, robust materials, and modular handguard options to convert a standard M4 lower into a mission-capable suppressed platform. Use it to reduce signature, maintain high rates of fire with a heat-shielded handguard, and retain straightforward serviceability when operational tempo demands reliability.