Aim Sports AR5CUB3 Complete Upper Assembly 5.56x45mm NATO 16" Black Nitride Barrel M-LOK Handguard - AR5CUB3

Complete upper assembly for AR-15 platforms chambered in 5.56x45mm NATO featuring a 16" black nitride 4150 chrome moly vanadium steel barrel with 1:8" twist rate. Constructed with 7075-T6 aluminum receiver in black hard coat anodized finish paired with a 15" M-LOK free-float handguard for improved accuracy and modularity. Optic ready with no included sights, allowing for custom sight selection.