This 5.56 chambered 10.3 inch Government Profile Classic Series Barrel is machined from CrMoV steel with chrome lined bore and chamber with a manganese phosphate finish and phosphate coated M4 feed ramp extension.
- Length: 10.30"
- Model: Classic Series
- Twist: 1:7"
- Finish: Phosphate
- Barrel Type: Carbine Length Government Profile
- Barrel Features: Chrome-Lined