Ballistic Advantage Modern Series barrels are machined from 4150 Chrome Moly Vanadium Steel and finished with a corrosion resistant QPQ Salt Bath Nitride treatment. The M4 feed ramp extension also has a QPQ finish.
| Caliber | 5.56 NATO |
| Barrel Length | 16" |
| Twist Rate | 1:7 |
| Gas System | Carbine Length |
| Barrel Profile | M4 |
| Inside Finish | Salt Bath Nitride |
| Outside Finish | Salt Bath Nitride |
| Material | 4150 Chrome Moly Vanadium |
| Muzzle Thread | 1/2x28 TPI (Threads Per Inch) |
| Diameter At Gas Port | .750" |