if you are a member of a NATO military then yes you have to use FMJ, however I defy you to find a single SWAT sniper in the US that uses a FMJ. they may not be quite as well trained as a military trained sniper but they are still very good at what they do and deserve that title.
ignore my complete lack of capitalization. I still have no problem correcting your grammar.
I never said half the stuff people said I did-Albert Einstein
You can't believe everything you read on the internet-Benjamin Franklin