Sounds were taken from the shooter mod. Relevant section from its license.txt:

License Sounds: freesound.org

- flobert1_20070728.wav by Nonoo - Attribution 3.0 Unported (CC BY 3.0)
	
- shot.wav by Sergenious - Attribution 3.0 Unported (CC BY 3.0)

- GUNSHOT.WAV by erkanozan - CC0 1.0 Universal (CC0 1.0)

- winchester-rifle-cock-reload.wav by MentalSanityOff - CC0 1.0 Universal (CC0 1.0)

- trigger-with-hammer-fall.wav by Nanashi - CC0 1.0 Universal (CC0 1.0)

- woosh.wav by ReadeOnly - CC0 1.0 Universal (CC0 1.0)

- AGM-114 Hellfire Rocket Missile Launch.flac by qubodup - CC0 1.0 Universal (CC0 1.0)

- Sparkler.aif by Ned Bouhalassa - CC0 1.0 Universal (CC0 1.0)

- explosion10.wav by V-ktor - CC0 1.0 Universal (CC0 1.0)

- `sniper_rifles_rifle.ogg` (`CC0 1.0`)
  - Converted from [Battle Rifle.wav](https://freesound.org/people/morganpurkis/sounds/391725/) by [morganpurkis](https://freesound.org/people/morganpurkishttps://freesound.org/people/morganpurkis/sounds/391725/).