How well can the Al Khalid go against an RPG? Well, let's just say that if the Al Khalid can't take on an RPG, then it wouldn't be called an MBT in the first place. Above that, the Saudis aren't going to buy inferior military products from Pakistan just because Pakistan is a Muslim country. Hell, they are buying Typhoons from the EU. That alone signals the Saudis want to go for decent military equipment.