weapons knowledge

hi
am doing some researches on weapons ;
1- hk 45 usp pistol 2- hk mp5a5
3- beretta rifle
4- seg sauar rifle
5- ak-47
i need info, pics, flashs on how to disassemble so any one can guide me where can i find what i need
ty in advance
Answer #1
Don`t you think a search on google would be better.
Beretta 92
http://www.beretta92fs.com/video/2/field.wmv