1. Get Either a negev, G3SG1, Barret M82 or a Barret M98B
2. Purchase a medkit (if you dont have one) purchase 100 armor
3. Locate you're CI/GOI
4. Remember to reload that 1 extra bullet before shooting it helps.
5. Begin shooting at you're CI/GOI
6. Hope to lord it isnt a cheater
7. If it isn't a cheater and you have atleast mediocre skill then the CI/GOI should be dead good job
9. If it is a cheater than you are most likely dead as they'll snap their head 360 and cap you're ass