This Rosco 11.5" M4 5.56 NATO Bloodline Barrel is designed to be the perfect addition to any SBR or Pistol build.
| Brand | Rosco Manufacturing |
| Category | Rifle Barrels |
| Model | Bloodline |
| Caliber | 5.56 NATO |
| Material | Chrome Moly Vanadium |
| Finish | Nitride |
| Twist | 1:7" |
| Length | 11.50" |
| Thread Pattern | 1 / 2"x28 |
| Weight | 20.82 oz |
