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Mfg Item #: BL-145-M4-556-7-C
This Rosco 14.5" M4 5.56 NATO Bloodline Barrel was built around the M4 platform and is designed to be the next evolutionary step in the series. This barrel is perfectly suited for next patrol or duty carbine build.
| Model | Bloodline |
|---|---|
| Twist | 1:7" |
| Finish | Nitride |
| Length | 14.50" |
