The Bofors 57 mm m/54 (57 mm luftvärnsautomatkanon m/54 or 57 mm lvakan m/54) was a wheeledJane's p. 560. automatic anti-aircraft gun for land based use produced by Bofors and developed from the similar Bofors 57 mm m/50 naval artillery gun. The gun was developed in the 1950s and fielded by both the Belgian and Swedish military.
The m/54 fired a high explosive projectile at a muzzle velocity of and a rate of fire of 160 rounds per minute. Weighing in at , the m/54 had an effective range of .www.quarry.nildram.co.uk The ballistics of the m/54 at practical air defense altitudes were not particularly superior to those of the Bofors 40 mm AA gun, resulting in relatively few sales of the m/54.www.tfd.chalmers.se
See also Bofors 57 mm Naval Automatic Gun L/60 Bofors 57 mm Naval Automatic Gun L/70
References
Christopher Foss (Ed.), Jane's Armour and Artillery 1981-82, London: Jane's Publishing Co. Ltd., 1981.
External links www.navweaps.com page on the Bofors m/50 naval 57-mm AA gun