Type 63 AT mine
# Type 63 AT mine

The Type 63 AT mine is a large circular Japanese minimum metal anti-tank blast mine. The mine does not float and is waterproof, enabling it to be used in shallow water. The mine uses a standard mechanical pressure fuze, with three ball bearings retaining a spring-loaded striker over a detonator assembly. The Type 63B variant has a secondary fuze well to attach an anti-handling device.

## Specifications

* Diameter: 305 mm
* Height: 216 mm
* Weight: 14.5 kg
* Explosive content: 11 kg of Composition B
* Operating pressure: 181 kg
