January 3, 2021December 31, 2014 Home » Gun Videos » Lewis Automatic Machine Gun A quick overview and slow motion footage of a WWI-era Lewis Automatic Machine Gun in .303 British. Lewis Automatic Machine Gun (Lewis Gun) SpecsCartridge:.303 British.30-06 Springfield7.92×57mm MauserAction: Gas-operatedRate of Fire: 500–600 rounds/minMuzzle Velocity: 2,440 feet per second (740 m/s)Effective Firing Range: 880 yards (800 m)Maximum Firing Range: 3,500 yards (3,200 m)Feed System:47 or 97 round Pan magazine30 round detachable Bren magazinesSights: Blade and tangent leafWeight: 28 pounds (13 kg)Length: 50.5 inches (1,280 mm)Barrel Length: 26.5 inches (670 mm)Width: 4.5 inches (110 mm) Share this gun video:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)