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130-mm SM-4-1 mobile coastal defense gun

Country of Origin: Russia


The 130-mm SM-4-1 is a mobile coastal defense gun that is in limited use. It is thought to have been derived from a naval gun of a similar caliber and is carried in a very large four-wheeled carriage; each wheel is dual-tired.

In the firing position, the axles are removed and four stabilizers -- two to each side -- are staked down.

The SM-4-1 was designated the K54 when in Finnish service.

The gun fires high-explosive (HE) and armor-piercing HE (APHE) projectiles.


The gun is no...

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