[quote=@Kitsune]
[@KoL]
People have asked before. It is as Spriggs says but its because he also owns a shotgun. Boss lost it...

[@Spriggs27]
So true, so true! Then into a old pervert that loves well greased chambers... 
[/quote]

True, he had a well tuned shotgun that worked well but it was lost when they fell off the bridge, it must have ment alot to Ocelot since he wears it through out the entire game really and in online as well, that shotgun must have been an old buddy or belong to a dead best buddy to him.