Description

The Daniel Defense DDM4 ISR is an integrally suppressed rifle system optimized for the .300 AAC Blackout cartridge. The design integrates the suppressor into the barrel assembly, providing a single NFA item for transfer and reducing variables associated with attaching a separate muzzle device. The platform ships with Daniel Defense furniture and a Modular Float Rail handguard for accessory mounting and ergonomic handling.

Key Specifications

• The rifle is chambered in .300 AAC Blackout.
• The model designation is DDM4 ISR.
• The action is Semi-Auto.
• The listed capacity is 32 rounds.
• Package contents include 1 32-round Daniel Defense magazine.
• The NFA attachment method is Integral.
• The suppressor baffle material/type is 17-4PH Monolithic Baffle.
• The finish is specified as Mil-Spec+ Cerakote.
• The handguard is a Modular Float Rail (MFR) 12.0.
• The listed rate of twist is 1-in-8″.

The DDM4 ISR combines an integrally suppressed barrel assembly with Daniel Defense ergonomics and modularity to suit a range of suppressed .300 Blackout applications where a factory-integrated suppressor and a continuous top rail are priorities.