Spike s Tactical 16-inch AR-15 Complete Upper 5.56 NATO M4 LE with 9-inch Rail

Spikes Tactical AR-15 Complete Upper Assembly Features: This Spike s Tactical complete AR-15 upper features a 16 cold hammer forged chrome-moly vanadium mil-spec barrel with a 1:7 twist rate. It also features a carbine length gas system with a low profile gas block Spike s Bar2 9 Mid-length free float handguard and the Spike s mil-spec M16 bolt carrier group. Spike s Tactical 16-inch Upper with 9-inch BAR Handguard Specifications: UPC Code: 815648021085 Manufacturer: Spike s Tactical Manufacturer Part #: STU5025-R9S Type: Upper Caliber: 223 Rem Caliber: 556NATO Barrel Length: 16 Finish/Color: Black Accessories: Four Rail Handguard and No Mags Type of Barrel: 1:7 Chamber: Chrome Lined Description: Flat Top Fit: AR Rifles