Spike's Tactical Complete Upper 5.56x45mm NATO 16" Black Phosphate Barrel with 12" SAR3 Handguard - STU5435R2S

This Spike's Tactical complete upper receiver assembly is designed for AR-15 platforms and features a 16" mid-length cold hammer forged barrel in 5.56x45mm NATO with black phosphate finish. The upper includes a 7075-T6 aluminum receiver, 12" free-floating SAR3 rail system handguard, and comes optic ready with no iron sights installed. The assembly is a drop-in replacement component suitable for most AR-15 builds.