Derived from

GunSLide.wav by RazzDaSpazz
http://freesound.org/people/RazzDaSpazz/sounds/155174/
http://creativecommons.org/publicdomain/zero/1.0/

Beretta M9 slide release by vabadus
http://freesound.org/people/vabadus/sounds/151067/
http://creativecommons.org/publicdomain/zero/1.0/