18 2 1Actions Report Solution Just use the pistol and go for headshots so you're not wasting ammo. You'll also rack up headshot kills for the Sharpshooter achievement and some kills for killing unaware enemies for the Opportunist achievement.Showing only comment. Leave a comment. Exactly what I did. It didnt take long for this achievement to pop.Posted by JETLI333 on 28 Jan 14 at 03:18 Leave a comment