USS The Sullivans Bofors 40mm Anti Aircraft Cannon
Bofors 40mm Cannon Specifications:
Bore: 40mm/56 Caliber
Shell Weight : 2lbs
Shell Length: 17.62 inches
Shell Types: Anti Aircraft Hi Explosive & Armor Piercing
Horizontal Range : 11,200 yds (2.3 miles) at 40° elevation
Maximum Verticle Range: 22,300 feet
Armor Penetration Capability: 1.2" Steel at 2,000yds
Rate of Fire : 160 Rounds Per Minute Per Barrel Max
Muzzle Velocity: 2,890fps
Gun Weight: 1,100lbs
Crew: 7
Number of Mounts: 2 Dual Mounts
Entered US Service: 1942