"look up the magnum research BFR"

"I think that this is an urban myth. I do not believe that the expansion would be better than a bullet manufactured to expand, nor do I believe that it is illegal.
"

"Unfortunately it is not a myth. I once thought about posting this piece of timbit on the forums but I decided it was best not to spread this out since I would not be sure how people might use it. Your taught this in the Canadian Forces specifically so you know not to do it.

It is extremely illegal, in the military it is a warcrime and can land you 10 years in prison, under the premise that you are modifying your equipment to increase human suffering. All military small arms ammunition (under international law) cannot be designed or modified to fragment once it enters the body. It also means hollow points are illegal to use in warfare.

I just looked up the convention in case your interested in checking it out:
The Hague Convention of 1899, Declaration III"

"Fair enough but the law is so strictly enforced that no recognized nation would dare use illegal ammunitions."

"You mean insurgents or americans? If they're american troops then their brass can get into a lot of trouble"