Type 61 25mm AAA guns

The Type 61 (Dual-25mm) is a shipboard antiaircraft artillery developed and used by China. It is manually operated by a single crew with optical sight. The development began in 1961 and the batch production began in 1966.

Users
Here are some platforms using the Oto melara 76 mm:

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 * Type 062 class gunboats
 * Beihai class gunboats
 * Type 074 landing ship medium
 * Type 073 landing ship medium
 * Type 073 landing ship medium
 * Type 067 landing craft utility