The Daniel Defense DDM4 ISR is an integrally suppressed rifle configured for the .300 AAC Blackout cartridge. It ships with a Daniel Defense MFR XL modular handguard, a Daniel Defense stock and grip, and includes a 32-capacity Daniel Defense magazine. The integrally mounted suppressor extends the barrel to an NFA-classified length and is user-serviceable for periodic maintenance.

Key Specifications

• The caliber is listed as .300 AAC Blackout.
• The action is Semi-Auto.
• The capacity is 32.
• The finish is Mil-Spec+ Cerakote.
• The material is 7075 Aluminum.
• The weight is listed as 13.65.
• The NFA attachment method is Integral.
• The rate of twist is 1-in-8″.
• The product type is Suppressed Rifle.
• Included accessory is 1-32 Round Daniel Defense Magazine.

The DDM4 ISR pairs an integrally suppressed configuration with Daniel Defense ergonomics and modularity, providing a ready-to-use system for shooters who require a suppressed .300 AAC Blackout platform. Its user-serviceable suppressor design and full-length MFR handguard support routine maintenance and accessory mounting while the Mil‑Spec+ finish offers environmental resistance for field use.