Star Si 35
- made in Spain
- designed 1935 by Isaac Irusta and Valentin Suenaga
- manufacturer was Star Bonifactio Echevierria, S.A.
- produced from 1915 — 1937
- submachine gun
- delayed (retarded) blowback, open bolt
- used cartridge: 9mm Largo with a muzzle velocity of 1,250 ft/s (380 m/s)
- rate of fire: 2 variants 300 rounds/min and 700 rounds/min
- uses 10, 30 or 40 round magazines
- mass was 8,40 lb (3,80 kg)
- length was 35,00 inches (90,00 cm) without bayonet