Maxim Defense MDX 516 5.56 16″ 30rd Gray

The Maxim Defense MDX 516 is presented in an urban gray finish and ships configured with a 16-inch barrel and a 30-round capacity. Chambered for .223 Rem / 5.56 NATO and built with a semi-auto action, it includes an M-LOK compatible handguard for modular accessory mounting. The package emphasizes modularity and practical ergonomics for range sessions, training, and modular builds.

Key Specifications

• The caliber is .223 Rem / 5.56 NATO.
• The barrel measures 16 inches.
• The capacity is 30 rounds.
• The action type is Semi-Auto.
• The handguard interface is M-LOK.
• The finish/color is Gray.
• The manufacturer is Maxim Defense Industries.

This configuration delivers a modular, user-friendly 5.56/.223 platform with a focus on adaptable ergonomics and accessory compatibility. The M-LOK handguard and 16″ barrel combine to offer a practical balance of handling and performance for shooters who prioritize versatility on the range or in sport shooting applications.