Try to search in my topics. I'm sure in DA 2 there is at least one AWM which could be ok.
Cheers.
EDIT
ok I found some for you.
.:AWP:. (http://files.filefront.com/AWP+CSrar/;11896587;/fileinfo.html)
(http://img216.imageshack.us/img216/3637/awpv2xp5.png)
.:AWM:. (http://files.filefront.com/AWMnewrar/;9948056;/fileinfo.html)
(http://img155.imageshack.us/img155/7264/awmtq8.png)
OTHER REPLACEMENT FOR BARRET:
.:Dragunov:. (http://files.filefront.com/RURIF+DRAGUNOV+bfrar/;11904983;/fileinfo.html)
(http://img219.imageshack.us/img219/7550/rurifdragunovkk7.png)
.:Walther-WA2000:. (http://files.filefront.com/Walther+WA2000rar/;9930152;/fileinfo.html)
(http://img229.imageshack.us/img229/1276/waltherwa2000mj1.png)
.:Barret M82a3:. (http://files.filefront.com/Barret+M82a3rar/;9948058;/fileinfo.html)
(http://img134.imageshack.us/img134/4540/barretm82a3qu5.png)