# hammer

> part of a firearm used to strike the percussion cap/primer, or a separate firing pin, to ignite the propellant and fire the projectile

**Wikidata**: [Q2333657](https://www.wikidata.org/wiki/Q2333657)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hammer_(firearms))  
**Source**: https://4ort.xyz/entity/hammer-q2333657


## References

1. Freebase Data Dumps. 2013
2. BabelNet
3. GF WordNet