Bullets get really hot, and that would cook off the pig blood, making the bullets halal to be hit with. For this to work, the bullets would need to be filled with pig blood.
Also, bacon helmets are not a terrible idea. The only problem is that they don't provide adequate protection. Dogs are unclean animals in Islam. So I think that simply dipping your clothes in dog piss should be enough of a Muslim-repellent.
Hear that, Dutch? Your strategy of bathing in canine urine is going to pay off any day now!