This 14.5″ M4 5.56 NATO Mid-Length barrel was built based on the USASOC specs for an Improved Upper Receiver Group, with a touch of Rosco influence. The longer gas system provides a smoother gas flow, resulting in controlled dwell times. This setup offers an excellent balance of speed and performance.
| UPC | 181969500050 |
|---|---|
| Manufacturer | Rosco Manufacturing |
| Manufacturer Part Number | BL-145-GVT-556-7-M |
| Barrel Length | 14.5" |
| Caliber/Gauge | |
| Color | Black |
| Length | 14.50" |
| Model | M4 |
| Product Type | |
| Rate of Twist | 1:7" |
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