Ballistic Advantage 20″ 5.56 Government Barrel Modern Series
This 5.56 chambered 20 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.
| Length | 20″ |
|---|---|
| Material | 4150 Chrome Moly Vanadium |
| Profile | Government |
| Finish | QPQ Corrosion Resistant |
| Twist Rate | 1:7 inches |
| Gas System Length | Rifle |
| Gas Block Journal | .750″ |
| Muzzle | 1/2×28 Threaded |
| Weight | 35oz |
