5.56x45 AR-15 1:7 Black Nitride Smooth Upper Receivers
- Caliber/Gauge: 5.56x45
- Firearm Fit: AR-15
- Barrel Twist: 1:7
- Barrel Finish: Nitride
- Barrel Fluting: None
- Category: 5.56x45 AR-15 1:7 Black Nitride Smooth Upper Receivers Clear All Filters
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