Fixed weapon sounds for non automatics
Improvements to releated weapon sounds
New weapon sound effects

From the "Free Firearms SFX" project, they are licensed CC0
http://freefirearmsfx.com/
https://www.kickstarter.com/projects/bjjaszcz/the-firearm-sound-library

Machinegun  AK-47           C_36P.wav
Shotgun     Charles Daly    H_16P.wav
Pistol      Ruger Mark III  R_30P.wav