Description
The DPMS 10.5″ quad rail upper features a 5.56 NATO chambered barrel with a 1/7 twist. The 4150V Chrome Moly Vanadium Steel barrel is nitride treated for enhanced durability. This upper assembly includes a 9″ quad rail, low profile gas block, and A2 flash hider. Rail assembly crafted from 7075-T6 Aluminum.
