BA’s 5.56 chambered 16 inch M4 Carbine Length Classic Series Barrel is machined from CrMoV steel with a chrome lined bore and chamber with a manganese phosphate finish and phosphate coated M4 feed ramp extension.
- Length: 16″
- Model: Classic Series
- Twist: 1:7″
- Finish: Phosphate
- Barrel Type: M4 Carbine Length
- Barrel Features: Chrome-Lined


