Ballistic Advantage Modern Series 18" 1:7 twist Barrel with a Rifle Length gas system, SPR barrel profile and chambered for 5.56 NATO.
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 ||18" |
|Twist Rate ||1:7 |
|Gas System ||Rifle Length |
|Barrel Profile |
|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" |