# M1

> 81 mm mortar

**Wikidata**: [Q2633872](https://www.wikidata.org/wiki/Q2633872)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/M1_mortar)  
**Source**: https://4ort.xyz/entity/m1-q2633872


## References

1. Freebase Data Dumps. 2013
2. [Source](https://old.weaponsystems.net/weaponsystem/DD01%20-%20M1.html)