The MN-121 is a Polish

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 scatterable anti-tank mine

Anti-tank mine

An anti-tank mine, , is a type of land mine designed to damage or destroy vehicles including tanks and armored fighting vehicles....

, externally similar to the German AT-2 mine. The mine is cylindrical with ten wire legs which fold outward to keep the mine upright. The mine uses a magnetic influence fuze, which triggers the mine when a vehicle passes over it. The mine also has an anti-handling device

Anti-handling device

An anti-handling device is an attachment to or integral part of a landmine or other munition e.g. some fuze types found in air-dropped bombs such as the M83, cluster bombs and sea mines. It is specifically designed to prevent tampering. When the protected device is disturbed it detonates, killing...

 which triggers the mine if it is moved. The mine's warhead is a shaped charge design containing approximately 700 grams of RDX

RDX

RDX, an initialism for Research Department Explosive, is an explosive nitroamine widely used in military and industrial applications. It was developed as an explosive which was more powerful than TNT, and it saw wide use in WWII. RDX is also known as cyclonite, hexogen , and T4...

. The manufacturer claims that it is capable of penetrating 60 millimeters of armour at an offset of half a meter.

The mine can be deployed either from aircraft, a specialised mine laying system or 122 mm artillery rockets. When required the mine is ejected from a storage canister, and shortly afterwards a small parachute is opened, which both retards the descent and keeps the mine correctly oriented as it descends. Once the mine lands on the ground the top of the mine is ejected, along with the parachute and the spring-loaded legs bring the mine upright.

The mine can be manually programmed to self-destruct after a period of 3, 6, 12, 24 or 96 hours.

Specifications

• Height: 187 mm
• Diameter: 116 mm
• Weight: 2.8 kg
• Explosive content: 0.7 kg of RDX