The Daniel Defense DDM4 V7 is an AR-pattern semi-automatic pistol chambered in .300 AAC Blackout with a 10.3-inch barrel. It has a 30-round capacity and ships with an SBA3 stabilizing brace. The handguard is M-LOK compatible, and the finish is black throughout. 
 

Key Specifications 

• Brand: Daniel Defense 
• Model: DDM4 V7 
• Caliber: .300 AAC Blackout 
• Action: Semi Auto 
• Capacity: 30+1 rounds 
• Barrel Length: 10.3 inches 
• Color/Finish: Black 
   

Detailed Features 

• 10.3-inch barrel in a short-barreled pistol configuration 
• SBA3 stabilizing brace included 
• M-LOK handguard 
• 30-round magazine included 
• AR-platform controls and layout

Owners of the Daniel Defense DDM4 V7 in .300 AAC Blackout consistently cite Daniel Defense's build quality as the main reason they chose it. The fit and finish are tight, and the platform runs reliably with both supersonic and subsonic loads, which makes it popular for suppressor use.

The 10.3-inch barrel configuration is compact and handy. Shooters who run it suppressed find the .300 AAC Blackout caliber well matched to the barrel length, though unsuppressed the muzzle blast is significant and hearing protection is non-negotiable.

The DDM4 V7 sits at a premium price point and buyers know it. Most owners accept the cost because of Daniel Defense's reputation for tight tolerances and the out-of-box reliability. The M-LOK handguard gives room for accessories without adding bulk, which owners in this segment tend to appreciate.