The Daniel Defense DAN DD4 MK18 RIII 5.56 FDE 10.3 SBA3 delivers compact AR performance in a refined, duty-ready package. Built around a 10.3" 5.56 NATO barrel and a lightweight M-LOK handguard in Flat Dark Earth, this pistol balances maneuverability with stability, while the SBA3 adjustable brace and textured grip support confident, repeatable control shot after shot. This configuration is well suited for duty, carry, and range use, range training, and general-purpose shooting where a shorter overall length is preferred. The direct impingement operating system and precision-engineered gas setup help maintain smooth cycling and consistent accuracy. With its proven reliability and thoughtful ergonomics, this DD4 MK18 RIII reflects Daniel Defense’s reputation for meticulous craftsmanship and dependable modern sporting platforms. Key Features:
- Manufacturer: Daniel Defense
- Model: DD4 MK18 RIII 5.56 FDE 10.3 SBA3
- Caliber: 5.56 NATO
- Barrel Length: 10.3 inches
- Operating System: Direct impingement
- Brace Type: SBA3 adjustable pistol brace
- Approximate Weight: 6.2 lbs
| __Model | DD4 MK18 RIII |
| __Action | Semi-Automatic |
| __Caliber | 5.56 NATO |
| __Optic Footprint | Picatinny Rail |
| __Capacity | 30 |
| __Barrel Length | 10.30" |