User blog comment:Deathmanstratos/Call of Duty: Black Ops II Origins Intro Cinematic released/@comment-5394014-20130820185402/@comment-356904-20130820220831

No, they weren't. First MP5 prototype was in 1964, yet it was able to appear in Black Ops in 1961. First AUG prototype wasn't until 1974 yet it appears in 1968 and as a variant that didn't appear until 1998. FAMAS wasn't developed until 1978, and the variant in-game is from 2001. WA2000 wasn't developed until the 1980's.