5.56x45 AR-15 8.5 1:7 Smooth M4 Contour Rifle Parts
- Caliber/Gauge: 5.56x45
- Firearm Fit: AR-15
- Barrel Length: 8.5
- Barrel Twist: 1:7
- Barrel Fluting: None
- Barrel Profile: M4 Contour
- Category: 5.56x45 AR-15 8.5 1:7 Smooth M4 Contour Rifle Parts Clear All Filters
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