This anti-aircraft cannon with a field carriage was part of the weaponry of the last 4-gun battery purchased from Sweden. The cannons started their anti-aircraft service in Vyborg in November 1929. During the Winter War, the battery provided protection for the field army in the Karelian Isthmus. The cannons were phased out by 1966.

Manufacturer: Bofors Ab, Sweden

Calibre: 76.2 mm

Muzzle velocity: 770 m/s

Effective range: 6000 m

Rate of fire: 12–15 rounds per minute

Travelling weight: 3550 kg

Firing weight: 2500 kg