15cm s.IG.33(SF) auf Pz.Kpfw.1 Ausf B (1/35 Scale) Military Model KitDetails: The sIG 33 (German: schweres Infanterie Geschutz 33) is a German 150mm towed heavy infantry gun from the Second World War. The first prototypes of the guns were created in 1927, and in the years 1936 1945 serial production continued, ending with the production of about 4,200 examples of this weapon. The maximum range was 4,700 m, and the initial velocity of the projectile was 240 m s. sIG 33 was created as a result of the German experience