© Vizards Guns and AmmoATI ATI15MS556ML15 5.56x45mm 16" Black Nitride BBL,Upper
- Caliber
- 5.56x45mm
- Category
- Gun Parts
- Barrel Length
- 16in
- Gun Part Type
- Upper Receiver
- UPC
- 819644027584
Overview
The ATI complete AR-15 upper receiver features a 16-inch steel barrel chambered in 5.56x45mm with a 1:8" twist rate. Built for demanding operational environments, the barrel is finished in Black Nitride, which hardens the bore surface to resist corrosion, erosion, and fouling while extending component lifespan. Designed to drop in on standard AR-platform upper receivers, this assembly delivers reliable NATO-standard ammunition compatibility and ballistic consistency.
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