Panzer Arms Complete M4 Tactical Barrel Assembly - Black

Gas Piston - Processed from 50 White Chrome Vanadium Thanks to the vanadium-alloyed steel, hardness and fatigue resistance are increased; the White Chrome coating provides protection and smooth operation while reducing residue buildup.Gas Port Chamber - Made from 420 stainless steel, it offers corrosion resistance and dimensional stability. It ensures consistent gas cycling, improving the reliability of the firing sequence.Bore - White Chrome Lined When the bore's inner surface is coated with wh