Calibre of both machine guns: 30-06 Springfield
Martin-Rockwell 1917
Length: 985 mm
Barrel length: 711 mm
Weight: 10.1 kg
Martin-Rockwell 1918
Length: 1090 mm
Barrel length: 686 mm
Weight: 10.1 kg
Martin-Rockwell 1917
Length: 985 mm
Barrel length: 711 mm
Weight: 10.1 kg
Martin-Rockwell 1918
Length: 1090 mm
Barrel length: 686 mm
Weight: 10.1 kg