The Daniel Defense DD5 V4 is a semi-automatic direct impingement rifle chambered in .308 WIN (7.62x51 NATO). It has an 18-inch chrome-lined barrel with a 1:11" twist rate, 20-round Magpul magazine, and glass-filled polymer stock with soft-touch overmolding. 
 

Key Specifications: 

• Caliber: .308 WIN (7.62x51 NATO) 
• Barrel Length: 18 inches 
• Capacity: 20 rounds 
• Weight: 16.7 lbs. 
• Action Type: Semi-Automatic Direct Impingement 
• Overall Length: Adjustable between 35.38" - 39" 
• Trigger Type: Daniel Defense Mil-Spec 
• Safety Feature: Ambidextrous Safety Selector Switch 
• Stock Material: Glass Filled Polymer with Soft Touch Overmolding 
   

Detailed Features: 

 
The chrome-lined barrel with 1:11" twist stabilizes a wide range of .308 ammunition. The six-position stock adjusts length-of-pull across different shooting positions and body types. 
 
The M-Lok handguard provides mounting points for lights, grips, and bipods. A full-length Picatinny rail on top accommodates optics. The ambidextrous safety selector works for both right- and left-handed shooters. 
 

Target Audience: 

 
This rifle suits experienced .308 shooters running competition, hunters targeting game at distance, and home defense setups where the caliber's capability and 20-round capacity are priorities. 
 

Usage Scenarios: 

 
For hunting at range, the .308 WIN caliber and 18-inch barrel perform well on big game. In three-gun or tactical competition, the semi-auto action and 20-round capacity support fast follow-up shots. For home defense, the adjustable stock and reliable direct impingement action are practical.

Feedback on the Daniel Defense DD5 V4 Tactical .308 WIN runs consistently positive, with two minor points of friction.

Build quality is praised across nearly all discussions. The construction feels purpose-built and owners find the materials hold up over time.

Accuracy gets regular attention. The 18-inch barrel and 1:11" twist deliver good performance at varied distances, which owners report in both range and field settings.

Ergonomics are well-received. The adjustable stock and control layout make the rifle comfortable for extended sessions.

Weight is the main practical complaint. At 16.7 lbs, the rifle is on the heavy side, which some users note as a drawback for field carry or quick-handling scenarios.

Price is the other common reservation. Daniel Defense products are at the premium tier, and most owners accept the cost as consistent with the quality, but some buyers compare alternatives carefully before deciding.