This Daniel Defense 18.00" barrel uses the S2W (Strength-to-Weight) profile with a mid-length gas system, chambered for 5.56 NATO with a 1:7 twist.
The 1:7 twist stabilizes a wide range of bullet weights, and the mid-length gas system offers a smooth-shooting setup for rifle builds.
- Manufacturer: Daniel Defense
- Model: S2W Mid-Length Barrel
- Caliber: 5.56 NATO
- Length: 18.00"
- Twist Rate: 1:7
| __Twist Rate | 1:7 |
| __Caliber Compatibility | 5.56 NATO |
| __Capacity | NA |
| __Caliber | NA |
| __Barrel Length | NA |
| __Optic Footprint | NA |
| __Action | NA |
| __Model | S2W Mid-Length Barrel |