SPEC OPS: THE LINE Suicide Mission One Shot One Kill & OP Health 

MAKE BACK UP FILES! 

Installation:
Download Zip file here on Nexus
Copy and paste DefaultPawn and DefaultPawnHard to following location 

SteamLibrary>steamapps>common>SpecOpsTheLine>SRGame>Config - Replace files 

That's it! Start up game, and now all enemies (including elite and commanders) go down in a single shot with any weapon. 

Thanks to KrokoSVK for showing me how to mod this game!