Daniel Defense DDM4 ISR | .300 AAC Blackout | 16 in | 02-103-15139

The Daniel Defense DDM4 ISR is an integrally suppressed semi-automatic rifle built around an integral suppressor and designed for the .300 AAC Blackout cartridge. The system includes a user-serviceable suppressor, Daniel Defense furniture, and ships with a single 32-round Daniel Defense magazine. The integral suppressor produces an overall barrel length of 16 inches as part of the complete NFA-registered assembly.

Product Specifications

• The action is Semi-Auto.
• The caliber is .300 AAC Blackout.
• The reported barrel length is 16 inches (integral suppressor configuration).
• The magazine capacity is 32 rounds.
• The weight is 7.6 lbs..
• The overall length is listed as 31.5 to 34.75 inches.
• The barrel twist rate is 1-in-8.
• The receiver material is 7075 Aluminum.
• The finish is Mil-Spec+ Cerakote.
• The included stock and grip are Daniel Defense stock and DD furniture grip.
• The rifle is listed as user-serviceable and can be disassembled for maintenance.
• The NFA attachment method is Integral.
• The ATF manufacturer is Daniel Defense Inc..
• The ATF model is DDM4 ISR and the ATF type is Silencer.
• The UPC is 815604018937.

The DDM4 ISR pairs an integral suppressor with Daniel Defense ergonomics to provide a ready-to-use, factory-integrated quieting solution for .300 AAC Blackout. Its user-serviceable suppressor and robust materials make routine maintenance straightforward, and the platform is intended for precision shooting and field work where an integrally suppressed system is preferred. The included 32-round magazine gives extended capacity for range use and training scenarios.

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