Colt Defense .223 / 5.56 AR-15 16" 1:7 Assembled Upper Receivers
- Manufacturer: Colt Defense
- Caliber/Gauge: .223 / 5.56
- Firearm Fit: AR-15
- Barrel Length: 16"
- Barrel Twist: 1:7
- Condition: Surplus / Used New
- Category: Colt Defense .223 / 5.56 AR-15 16" 1:7 Assembled Upper Receivers Clear All Filters
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