Description
Brownells MR556 barrel for 5.56×45. This 16.5 in barrel is medium length and chrome lined, with a phosphate finish. Rate of twist is 1-7. It is offered as a dedicated replacement barrel component for the MR556 platform.
| Fits | MR556 |
|---|---|
| Part Type | Barrel |
| Caliber | 5.56×45 |
| Barrel Length | 16.5 in |
| Rate of Twist | 1-7 |
| Finish | Chrome lined, phosphate |
