This is a Swiss project powerful automatic cannon; and made in Britain. It was used as a single or double assembly on a great of allied vessels, such as PT-109, Vosper and Fairmile torpedo boats, and even on battle ships, battlecruisers and submarines. Shooting speed: 450 shots/min Initial speed; 908 m/sec.
Ammunition: Loaded, tracer and high explosive incendiary
Effective range: 927 m. Bullet weight: 230 grams.
Length and Height: 4 5/16 / Scale 1:35