Sniper: Ghost Warrior Contracts 2 - Mount Kuamar Use only sniper rifle with standard bullets Part 3

Challenge Complete all contracts eliminating enemies using only sniper rifle with standard bullets. Part 1:    • Sniper: Ghost Warrior Contracts 2 - Mount ...   Part 2:    • Sniper: Ghost Warrior Contracts 2 - Mount ...   Part 4:    • Sniper: Ghost Warrior Contracts 2 - Mount ...   Part 5:    • Sniper: Ghost Warrior Contracts 2 - Mount ...