Heavy Tank Killer Company (SBX71) contains four plastic guns, 76mm or 57mm guns, four plastic guns and four cards. Engine rifle widths fell the 57 mm and the 76 mm ZIS-3 gun as a combined direct fire artillery and anti-armor weapon. While not as mobile as the 45mm guns, the 76mm had penetration and firepower to deal with a variety of targets, and the mobility to accompany the infantry during attacks.
