Product Description
The A4 9mm upper features a 10.3" 41V50 CrMo steel barrel in a Gov profile. The barrel has a melonite nitride finish including the bore. The standard configuration includes a NO LUG front sight base and carbine type hand guards. Bolt is made by Spikes and Colt/Glock style compatible. Thread is 1/2-36. These will ship in 2-3 weeks after order.