Forum:What would be the best sniper rifle in Battlefield 3 and what attachment would go best with that weapon?

I would like to know what sniper rifle works best with anyone and I have all sniper rifles but i just dont know which one to use or what attachments work best with them.If anyone can help please do and if you want to have me as a friend i play on PC on origin on weekend and my name there is Fireshot 2003