The Rosco Manufacturing Bloodline Barrel, 10.5 in length, is a black, nitride finished barrel with a 1:7 twist, specially designed to perfectly upgrade and enhance your SBR or Pistol build. This barrel promises high performance and enhanced managed dwell times for SBR's, it comes with a 556NATO caliber and is picked with apt twist rates, gas port diameters, and barrel materials.
Specs
| Model No. | ROSBL-105-M4-556-7-C |
| Model | Bloodline |
| Manufacturer | Rosco Manufacturing |
| Color | Black |
| Caliber | 5.56 |
| Barrel Length | 10.5 |
| Type of Barrel | 1:7 |
