Right now, I've completed the "N7 Valiant Use" once. Here's an excerpt from the N7 HQ site:
N7 Valiant Use Earn 140000 Points Using the N7 Valiant Current progress: 140000/140000 Challenge points: 10 Times Completed: 1
If I earn more points using the N7 Valiant, the current progress doesn't change, so how would I ever get to complete this challenge again? Would I need to finish the Sniper Rifle Mastery challenge before the progress for the N7 Valiant resets?