B-2LM

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"B-2LM" (Russian: "Б-2ЛМ") is a 130 mm two-gun naval artillery turret, based on the "B-13" ("Б-13") gun. Production started in 1939. "B-2LM" was established on several Soviet ships, including the destroyer leader Tashkent. However, it had a relatively low rate of fire and had a maximum elevation of 45 degrees making it incapable of anti-aircraft fire.

[edit] General characteristics

Gun caliber 130mm (5.1 inch)
Barrel length: 50 calibers, 6.45 m
Maximum laying speed: vertical - 9.85 degrees per min, horizontal - 9.7 degrees per min
Rate of fire: 12 shots per min
Shell weight: 33.5 kg (74 lbs)
Initial velocity of the shell: 870 m/s
Range: 25,597 m