U.S. Contractor 5.56x45 N/A 1:7 Black Nitride M4 Contour Barrels
- Manufacturer: US Contractor
- Caliber/Gauge: 5.56x45
- Action: N/A
- Barrel Twist: 1:7
- Barrel Finish: Nitride
- Barrel Profile: M4 Contour
- Category: U.S. Contractor 5.56x45 N/A 1:7 Black Nitride M4 Contour Barrels Clear All Filters
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