Haubits FH77
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Fälthaubits 77 or FH77 is a Swedish 155 mm howitzer, developed and manufactured by Bofors. It is also colloquially known as the Bofors gun in India. Wikipedia
Barrel length: 5.89 m (19 ft 4 in) L/38
Breech: Vertically sliding breech block, hydraulic ramming
Carriage: split trail with castor wheels
Crew: 9 to 14
Effective firing range: 21 km (13 mi)
Elevation: -5°/+70°
Engine: Volvo B20 APU